What do you think?
Exodus #2
Exodus: The Helium Sea
For millennia, the Crown Dominion has been at relative peace, with the Celestials in control and the human population little better than serfs. But now the Crown Dominion is facing a crisis of epic proportions – one that could change the balance of power in the Centauri Cluster forever – as an exiled faction that has been waiting for seven thousand years beyond the Helium Sea has returned to wreak their vengeance.
For Finn and his human allies, who have ended up at the centre of this conflict either through circumstance or manipulation, this is an unprecedented opportunity. If they can band together, they may be able to outwit the Celestials and finally earn their fellow humans a place of independence and power in the Crown Dominion. To achieve this, they must first locate and master ancient artefacts of immense power that could give them a much-needed edge in the conflict ahead. And all while ducking the forces that are determined to knock them off the board for good.
For Finn and his human allies, who have ended up at the centre of this conflict either through circumstance or manipulation, this is an unprecedented opportunity. If they can band together, they may be able to outwit the Celestials and finally earn their fellow humans a place of independence and power in the Crown Dominion. To achieve this, they must first locate and master ancient artefacts of immense power that could give them a much-needed edge in the conflict ahead. And all while ducking the forces that are determined to knock them off the board for good.
752 pages, Hardcover
First published June 16, 2026
About the author
Peter F. Hamilton
201 books10.6k followersPeter F. Hamilton is a British science fiction author. He is best known for writing space opera. As of the publication of his tenth novel in 2004, his works had sold over two million copies worldwide, making him Britain's biggest-selling science fiction author.
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Displaying 1 - 30 of 130 reviews
June 21, 2026
Peter F. Hamilton is one of those authors where I almost automatically grant a certain amount of patience. The man has spent decades writing doorstop-sized science fiction novels, and if you've read enough of his work, you learn to trust that seemingly unrelated threads, sprawling worldbuilding, and slow-burn setups will eventually converge into something worthwhile.
Which is probably why I found myself slightly conflicted throughout The Helium Sea. Because on one hand, this contains many of the things I read Hamilton for in the first place. The scale is enormous. The worldbuilding remains ambitious. The political structures, competing factions, long-term strategic maneuvering, and sheer sense of a civilization operating across immense distances are all still present. There are moments where the imagination on display is genuinely impressive, and few authors make large-scale future societies feel as substantial as Hamilton does.
But on the other hand, this is one of the rare occasions where I kept feeling the weight of the book itself. Not because it's long. Length has never been an issue for me with Hamilton. Some of my favorite works of his are enormous. The problem was more that the story often felt less focused than it needed to be. There were stretches where entire sections seemed to circle ideas, conversations, or plot developments that probably could have been tightened considerably without losing anything important.
More than once I found myself thinking that a firmer editorial hand might have elevated the novel significantly. It's a strange criticism to make because Hamilton's tendency toward excess is also part of his appeal. The density, the detail, the willingness to explore every corner of a setting rather than racing toward the next plot point. That's often exactly what makes his worlds feel alive. Here, though, the balance felt slightly off. Instead of becoming immersed in the complexity, I occasionally became aware of it. And that's not something I often experience with his books.
The characters remain solid enough, and the larger mysteries still kept me interested. There were absolutely moments where the novel reminded me why Hamilton remains one of my favorite science fiction writers. Certain revelations, pieces of worldbuilding, and broader implications of the setting carried exactly the sort of grand, far-future imagination I've always associated with his work.
But compared to The Archimedes Engine, this never quite reached the same level for me. The previous book felt sharper. The momentum felt stronger. The various narrative strands seemed to pull together with more purpose. Here, despite enjoying much of what was happening, I never entirely escaped the feeling that the novel was taking a longer route than necessary to reach its destination.
That doesn't make it a bad book by any means. In fact, many of the things I admired are probably the same things that will appeal most to long-time Hamilton readers. The universe continues to be fascinating, the scope remains immense, and there are enough intriguing developments to keep me invested in where the series is heading. It's just one of those rare cases where admiring a book and fully enjoying it aren't quite the same thing.
I finished The Helium Sea still excited about the series, still appreciative of Hamilton's imagination, and still convinced that very few writers can operate comfortably at this scale. I just didn't find myself as captivated as I was by the previous installment, and for a writer whose books usually pull me along effortlessly despite their length, that stood out more than it normally would.
Which is probably why I found myself slightly conflicted throughout The Helium Sea. Because on one hand, this contains many of the things I read Hamilton for in the first place. The scale is enormous. The worldbuilding remains ambitious. The political structures, competing factions, long-term strategic maneuvering, and sheer sense of a civilization operating across immense distances are all still present. There are moments where the imagination on display is genuinely impressive, and few authors make large-scale future societies feel as substantial as Hamilton does.
But on the other hand, this is one of the rare occasions where I kept feeling the weight of the book itself. Not because it's long. Length has never been an issue for me with Hamilton. Some of my favorite works of his are enormous. The problem was more that the story often felt less focused than it needed to be. There were stretches where entire sections seemed to circle ideas, conversations, or plot developments that probably could have been tightened considerably without losing anything important.
More than once I found myself thinking that a firmer editorial hand might have elevated the novel significantly. It's a strange criticism to make because Hamilton's tendency toward excess is also part of his appeal. The density, the detail, the willingness to explore every corner of a setting rather than racing toward the next plot point. That's often exactly what makes his worlds feel alive. Here, though, the balance felt slightly off. Instead of becoming immersed in the complexity, I occasionally became aware of it. And that's not something I often experience with his books.
The characters remain solid enough, and the larger mysteries still kept me interested. There were absolutely moments where the novel reminded me why Hamilton remains one of my favorite science fiction writers. Certain revelations, pieces of worldbuilding, and broader implications of the setting carried exactly the sort of grand, far-future imagination I've always associated with his work.
But compared to The Archimedes Engine, this never quite reached the same level for me. The previous book felt sharper. The momentum felt stronger. The various narrative strands seemed to pull together with more purpose. Here, despite enjoying much of what was happening, I never entirely escaped the feeling that the novel was taking a longer route than necessary to reach its destination.
That doesn't make it a bad book by any means. In fact, many of the things I admired are probably the same things that will appeal most to long-time Hamilton readers. The universe continues to be fascinating, the scope remains immense, and there are enough intriguing developments to keep me invested in where the series is heading. It's just one of those rare cases where admiring a book and fully enjoying it aren't quite the same thing.
I finished The Helium Sea still excited about the series, still appreciative of Hamilton's imagination, and still convinced that very few writers can operate comfortably at this scale. I just didn't find myself as captivated as I was by the previous installment, and for a writer whose books usually pull me along effortlessly despite their length, that stood out more than it normally would.
September 14, 2026
Exodus The Helium Sea, the second book in a duology, picks up from the end of Exodus The Archimedes Engine. This is my review of the first book.
https://www.goodreads.com/review/show...
*****
As Exodus The Helium Sea opens, we get a flashback to Kelowan 7,000 years ago. Queen Zuberi has instituted an Evolution Project headed by her daughter Countess Liliana, that will result in Zuberi’s granddaughter Khepri (who will have Zuberi's mindline) becoming the Eternal Empress of the Crown Dominion and elevate Celestials to (essentially) god-like status.
Just as the project seems to have achieved success, the other queens unite to kill Zuberi and her entire family, but - unknown to them - Zuberi's son, daughter, and granddaughter escape.
It's now 7,000 years later, and Queen Helena-Thyra of Wynid has murdered and manipulated her way into becoming the current Empress of the Crown Dominion.
Queen Helena-Thyra plans to kill the other four queens, so she can be the empress forever. Queen Helena-Thyra doesn't realize it, but she's part of Queen Zuberi's long-term plan, currently being carried out by Zuberi's son Dagon, daughter Liliana, and granddaughter Kephri.....and their minions.
Meanwhile, there's plenty more going on. The Archimedes Engine has been used to fling a small lifeless world called Boksrock at Kelowan, destroying Kelowan and forcing a mass evacuation. The Human Liberation Movement is blamed for the incident, though they're not REALLY responsible. Regardless, Finn Jalgori-Tobu, Josias Alponi, Terence Wilson-Fisher and their allies are on the run. Their ultimate plan is to prove their innocence and get the Crown Dominion to stop treating humans as servants and workers and give them autonomy over their own lives.
As things play out, the humans manage to steal thousands of tons of antimatter, used to fuel powerful weapons, from a troop of Celestials. The Celestials planned to use the antimatter for their own nefarious purposes, and chase the humans all over the universe to kill them and retrieve the fuel. This leads to one epic battle after another, scenes that are described in rich detail.
On the part of the humans, Josias Alponi plans to use the antimatter to negotiate better treatment, essentially freedom, for the humans living among the Celestials.
A part of the book I especially liked were the depictions of exotic weapons, like the Álogo suit, a Remnant Era armor suit that's described as big, very big...a walking building that has flight; artificial intelligence; responds to thoughts; has life support; has missiles that can take out a couple of squads of knights on its own; and more.
Another remnant era weapon is the Crystal Gun, which is operated by a living intelligence called Dohl’Kol. The Crystal Gun is extraordinarily powerful, and can work at great distances; destroy fleets; annihilate planets; target individuals; and more. It's used to great effect in the story.
An additonal interesting aspect of the novel is the ability of the protagonists to 'disguise' themselves in various ways. For example, Neusch, the son of Archon Makaio-Faraji - who was assassinated in book one - creates a bio-andy that looks like him and which he operates remotely. Neusch is continuing his father's investigation into the conspiracy surrounding Queen Helena-Thyra, and is in secret communication with Clavissa, Queen Helena-Thyra's companion and aide. So Neusch and Clavissa are among the 'good guys' working against the 'eternal empress' wannabes.
At the same time, the 'bad guys' have camouflage of their own. Zuberi's son Dagon has taken on the appearance of the deceased human Gyvoy Enfoe, and manipulated Finn Jalgori-Tobu into doing terrible things;
and Zuberi's daughter Liliana, a supposed supporter of Queen Helena-Thyra, is pretending to be a human mercenary. All this is meant to result in Zuberi becoming the eternal empress (after she pushes Queen Helena-Thyra aside).
There'a a great deal of political maneuvering, mind control, deception, lying, murder, and so on as the story's diverse factions try to fulfill their conflicting agendas. To me, the narcissistic Celestials who plan to live forever and control everything are insufferable. I hate to think humans evolved into these creatures.
Exodus The Helium Sea is an interesting story, but there's a lot going on. The novel has a cornucopia of characters with long names; there are huge battles every few chapters; a cadre of factions are maneuvering to outsmart each other; etc. That said, the story comes to a more or less satisfying ending. I say more or less because it’s hard to root for any of these Celestials.
For gamers, the Exodus video game is slated for release in 2027.
Thanks to Netgalley, Peter F. Hamilton, and Random House for an ARC of the book.
You can follow my reviews at https://reviewsbybarbsaffer.blogspot.com
Review of advance copy received from NetGalley
I may be exactly the right person for these two books. Far future space opera with extensively-developed worldbuilding, many characters, wild transhumanism, interesting quasi-immortality, and scope and scale to choke a horse.
It's taking Peter Hamilton's previous scales and scopes and making them look paltry in comparison.
And me? I read this and feel immense sadness that I can hardly find any new SF these days that GO THERE. Maybe a few here and there, but in general, it's all pretty tame. This one has ties to the near future but sends us as far into the future as anything Stephen Baxter did.
I can't help but be immensely impressed.
Manage your expectations. If you want war and the very spirit of humanity represented in the far future, and don't want Warhammer, then this is definitely worth your time.
I should also definitely mention this is absolutely a tie-in to the upcoming Bioware game, Exodus. I'm very looking forward to THAT, too. :)
It's taking Peter Hamilton's previous scales and scopes and making them look paltry in comparison.
And me? I read this and feel immense sadness that I can hardly find any new SF these days that GO THERE. Maybe a few here and there, but in general, it's all pretty tame. This one has ties to the near future but sends us as far into the future as anything Stephen Baxter did.
I can't help but be immensely impressed.
Manage your expectations. If you want war and the very spirit of humanity represented in the far future, and don't want Warhammer, then this is definitely worth your time.
I should also definitely mention this is absolutely a tie-in to the upcoming Bioware game, Exodus. I'm very looking forward to THAT, too. :)
Review of advance copy received from Netgalley
Book Description:
For millennia, the Crown Dominion has been at relative peace, with the Celestials in control and the human population little better than serfs. But now the Crown Dominion is facing a crisis of epic proportions – one that could change the balance of power in the Centauri Cluster forever – as an exiled faction that has been waiting for seven thousand years beyond the Helium Sea has returned to wreak their vengeance.
For Finn and his human allies, who have ended up at the centre of this conflict either through circumstance or manipulation, this is an unprecedented opportunity. If they can band together, they may be able to outwit the Celestials and finally earn their fellow humans a place of independence and power in the Crown Dominion. To achieve this, they must first locate and master ancient artefacts of immense power that could give them a much-needed edge in the conflict ahead. And all while ducking the forces that are determined to knock them off the board for good.
My Review:
Peter F. Hamilton is one of my Top 5 favorite SciFi authors, right up there with Iain M. Banks, Dan Simmons, Neal Asher, and Sheri S. Tepper. The things that come out of this guy's mind are just incomprehensible and I don't really know how he continues to top himself, but he does. This second book in his Exodus duology expands on the first book and levels the boom when it comes to action and mind-blowing otherworldly tech.
Exodus: The Helium Sea is filled with the usual tight writing that Hamilton is known for. Never one to paint himself in a corner like some authors we know, Hamilton always ties up his loose ends in not only satisfactory fashion, but most of the time brilliantly. And this book is no different in that regard, as all of the conflicts that arise in Exodus: The Archimedes Engine come to a head and are told in vivid detail as we go along on this wonderful space-hopping journey.
We finally get to see the mysteries laid out in book one reveal themselves tantalizingly, and it's a wonder to behold. I honestly had a hard time concentrating on anything else while I was immersed in this exciting space opera and there is no doubt that Hamilton has not lost his chops at all. There's nothing else to be said other that the Exodus duology is a masterful work of SF that reaffirms Peter F. Hamilton's place as one of the very greats in the genre. Whoever told you that he was slowing down or lost his touch is awfully mistaken. Can't wait for more!
For millennia, the Crown Dominion has been at relative peace, with the Celestials in control and the human population little better than serfs. But now the Crown Dominion is facing a crisis of epic proportions – one that could change the balance of power in the Centauri Cluster forever – as an exiled faction that has been waiting for seven thousand years beyond the Helium Sea has returned to wreak their vengeance.
For Finn and his human allies, who have ended up at the centre of this conflict either through circumstance or manipulation, this is an unprecedented opportunity. If they can band together, they may be able to outwit the Celestials and finally earn their fellow humans a place of independence and power in the Crown Dominion. To achieve this, they must first locate and master ancient artefacts of immense power that could give them a much-needed edge in the conflict ahead. And all while ducking the forces that are determined to knock them off the board for good.
My Review:
Peter F. Hamilton is one of my Top 5 favorite SciFi authors, right up there with Iain M. Banks, Dan Simmons, Neal Asher, and Sheri S. Tepper. The things that come out of this guy's mind are just incomprehensible and I don't really know how he continues to top himself, but he does. This second book in his Exodus duology expands on the first book and levels the boom when it comes to action and mind-blowing otherworldly tech.
Exodus: The Helium Sea is filled with the usual tight writing that Hamilton is known for. Never one to paint himself in a corner like some authors we know, Hamilton always ties up his loose ends in not only satisfactory fashion, but most of the time brilliantly. And this book is no different in that regard, as all of the conflicts that arise in Exodus: The Archimedes Engine come to a head and are told in vivid detail as we go along on this wonderful space-hopping journey.
We finally get to see the mysteries laid out in book one reveal themselves tantalizingly, and it's a wonder to behold. I honestly had a hard time concentrating on anything else while I was immersed in this exciting space opera and there is no doubt that Hamilton has not lost his chops at all. There's nothing else to be said other that the Exodus duology is a masterful work of SF that reaffirms Peter F. Hamilton's place as one of the very greats in the genre. Whoever told you that he was slowing down or lost his touch is awfully mistaken. Can't wait for more!
June 29, 2026
This fell flat for me. I'm still excited to try the game and I liked what the story could have been, but there were too many words at some points and not enough at others.
It felt like build up until 95% through the book then out of nowhere oops it ended. Like major things would happen with little to no explanation. Like with the Mara Yama fleet and the crystal gun. 2 chapters later that's just a forgotten thought.
Finn's dialogue in this book was minimal. I just took him as an awkward guy in the first book but in this one he almost seemed nonverbal at times. Oh yeah Ellie's pregnant out of nowhere like huh? I don't know it just seemed like things happened and were just glossed over.
Don't get me started on Thyra. She ended up being good because she got fooled? Then the other queens were just vanished by the crystal gun? I'm actually mad about that. Then Clavissa is just her right-hand-woman and Thyra paid no consequences?
I don't know maybe I just missed a lot but I feel like this wasn't supposed to be a duology and was like shit we have to finish just make the enemy disappear in the gate of heaven and then the humans lived happily ever after.
Okay I'm unproductively getting mad typing this out so I'm going to sleep on it, but I don't know. I feel like this should have been so much better.
It felt like build up until 95% through the book then out of nowhere oops it ended. Like major things would happen with little to no explanation. Like with the Mara Yama fleet and the crystal gun. 2 chapters later that's just a forgotten thought.
Finn's dialogue in this book was minimal. I just took him as an awkward guy in the first book but in this one he almost seemed nonverbal at times. Oh yeah Ellie's pregnant out of nowhere like huh? I don't know it just seemed like things happened and were just glossed over.
Don't get me started on Thyra. She ended up being good because she got fooled? Then the other queens were just vanished by the crystal gun? I'm actually mad about that. Then Clavissa is just her right-hand-woman and Thyra paid no consequences?
I don't know maybe I just missed a lot but I feel like this wasn't supposed to be a duology and was like shit we have to finish just make the enemy disappear in the gate of heaven and then the humans lived happily ever after.
Okay I'm unproductively getting mad typing this out so I'm going to sleep on it, but I don't know. I feel like this should have been so much better.
This entire review has been hidden because of spoilers.
July 16, 2026
Although I liked the book a lot, I felt I was missing something. First of all, it was quite obvious what would happen in this second part of the duology. Even I could see it coming from the first chapter on - and so I just kept reading to see how this would develop. I would have liked to read more about this part of the story and less space fights (I always find fighting boring, whether it is between humans in a bar or with humans or extra-terrestrials in space. I just cannot concentrate on fighting scenes). Some developments were quite unexpected; mainly the fact that when necessary, there was always a new weapon to find which took our characters on another long trip through space.
I loved the world building and the general idea though and I'm happy to have read both books.
I loved the world building and the general idea though and I'm happy to have read both books.
July 5, 2026
Jua pagājuši 40000 gadu, kopš cilvēku pēdējie paaudžu kuģi startējuši no zemes un šajā laikā ir daudz kas izmainījies. Te kas piemie apguva Centaura kopu nu jau ir transcendējuši kā dievi - elohimi. Tie kas nākuši aiz viņiem sauc sevi par dievišķajiem (celestials), bet patiesībā viņi parazitē uz elohimu atstātajiem artifaktiem. nu un tie kuri ieradās pavisam vēlu, tie saucas Uranic un pa lielam nodarbojas ar melnā darba darīšanu. Ja tu esi ieradies pats pēdējais, tad tu vienkārši esi atstumts no siles cilvēks parastais. Grāmata aptver vienu no Centauras kopas domīnijām, kurā "draudzīgi" valda karalienes. Pirms daudziem tukstošiem gadu vienu no viņām nomušīja līdz ar visu viņas cilti un nu atlikušās cīnās par vietu zem saules.
Tipiska kosmiskā opera, kur cilvēkiem parastajiem beidzot ir iespēja lemt savus likteņus. Ja sērijas pirmajā grāmatā visas figūras tika saliktas uz galda un tika atklāta "Lielā spēle", tad tagad spēle sasniedz savas begas. Plāni, kuriem pamati likti pirms gadu tūkstošiem beidzot sāk piepildīties. Par laimi karalienēm ar sava saprāta pārlikšanu savos klonos, gadi nav šķērslis.
Te nu ir vsiss ko var vēlēties, fantastiskas tehnoloģijas, tās gan autors cenšas vismaz izskaidrot, un daža laba doma ir pat interesanta. Spraigs sižets, gan detektīvs, gan vienkārši piedzīvojuma meklētāji, ir galma intrigas un galmu te netrūkst. Protams, ka plāni var būt ilgtermiņa, bet šajās grāmatās sanāk, ka tos realizē vien pāris cilvēki. Tāds nu ir šo grāmatu mīnuss, ka galvenais varonis paspēj visu, gan samaitāt, gan izglābt.
Grāmatai lieku 9 no 10 ballēm, autors joprojām raksta sakarīgi.
Tipiska kosmiskā opera, kur cilvēkiem parastajiem beidzot ir iespēja lemt savus likteņus. Ja sērijas pirmajā grāmatā visas figūras tika saliktas uz galda un tika atklāta "Lielā spēle", tad tagad spēle sasniedz savas begas. Plāni, kuriem pamati likti pirms gadu tūkstošiem beidzot sāk piepildīties. Par laimi karalienēm ar sava saprāta pārlikšanu savos klonos, gadi nav šķērslis.
Te nu ir vsiss ko var vēlēties, fantastiskas tehnoloģijas, tās gan autors cenšas vismaz izskaidrot, un daža laba doma ir pat interesanta. Spraigs sižets, gan detektīvs, gan vienkārši piedzīvojuma meklētāji, ir galma intrigas un galmu te netrūkst. Protams, ka plāni var būt ilgtermiņa, bet šajās grāmatās sanāk, ka tos realizē vien pāris cilvēki. Tāds nu ir šo grāmatu mīnuss, ka galvenais varonis paspēj visu, gan samaitāt, gan izglābt.
Grāmatai lieku 9 no 10 ballēm, autors joprojām raksta sakarīgi.
July 9, 2026
What a phenomenal action packed good vs evil ending to this duology. Helium takes over right where Archimedes Engine leaves off and Hamilton doesn’t waste any time here. There is so much to enjoy in this and PFH really does an excellent job of bringing everything together in a an exciting and satisfying ending (patented Hamilton feel good ending included). This thing is dense and there is a lot to keep up with so it does take a fair amount of effort to keep things straight but the end result is a flagship science fiction novel that is one of the best I’ve read. 5/5
July 11, 2026
Hoo boy
When I finished Archimedes Engine last year it felt I had gone through a saga just from the required effort. There were entire sections I struggled to even picture, and the sheer breadth and depth of Peter F Hamilton's colossally imaginative mindscape, which remains his greatest strength, must be commended for that. Somehow he pushes that up to 11 here. Somehow he makes Archimedes Engine, something that was so remindincent of the very fact of playing Mass Effect 1 from me, feel lean.
For large swathes of it I do have to say I was not bored. Struggling, yes; taking breaks, yes; but not quite bored. But Hamilton overstuffs every corner of his world with copious detail and it becomes as strenuous as being lost in a sea due to this book's primary flaw: Structure.
Beginning with four chapters that really should have been part of the first book, it then grinds into a slog for over two dozen chapters on several McGuffin quests that only conclude right before the end, and when it feels like things will require another whole entry to wrap the impending threat up they get rushed away in a single chapter.
I am no stranger to multi POV epics; one may even consider them my forte, but they are always a balancing act, and here no such care has been put. Many a POV share the same chapter before going away for dozens if not hundreds of pages. Again, such things are far from uncommon for this style, but they do preserve the narrative momentum. I did not feel as such here. The last time I felt like this was with Dandelion Dynasty, and that series triumphs with a much thorougher plot and exemplary character work.
Speaking of character work, it's probably the aspect that's faced the biggest drop in quality from the last book. Gone are the range of flavours: the depressed grungy yet competent noir detective, the empathetic spymaster, the finicky petulant adventurer or the overconfident yet underprepared billionastra; everyone's either a cool badass or an evil psycho now.
I was really hoping to see Hamilton balk at the obscenely rich with the flippant playboy billionastra Josias by making him out of his depth but he becomes the biggest badass of the galaxy out of nowhere here. Pretty much nothing bad happens to the good guys and they win at the end against a maniacal evil. The status quo remains. The teased space-gods remain unseen and everyone on page is happy. That joy fails to spill out of the page.
11/06/26
Holy shit was this a chore.
I do have a bit to talk about, but not today. I'm exhausted. Sheesh.
When I finished Archimedes Engine last year it felt I had gone through a saga just from the required effort. There were entire sections I struggled to even picture, and the sheer breadth and depth of Peter F Hamilton's colossally imaginative mindscape, which remains his greatest strength, must be commended for that. Somehow he pushes that up to 11 here. Somehow he makes Archimedes Engine, something that was so remindincent of the very fact of playing Mass Effect 1 from me, feel lean.
For large swathes of it I do have to say I was not bored. Struggling, yes; taking breaks, yes; but not quite bored. But Hamilton overstuffs every corner of his world with copious detail and it becomes as strenuous as being lost in a sea due to this book's primary flaw: Structure.
Beginning with four chapters that really should have been part of the first book, it then grinds into a slog for over two dozen chapters on several McGuffin quests that only conclude right before the end, and when it feels like things will require another whole entry to wrap the impending threat up they get rushed away in a single chapter.
I am no stranger to multi POV epics; one may even consider them my forte, but they are always a balancing act, and here no such care has been put. Many a POV share the same chapter before going away for dozens if not hundreds of pages. Again, such things are far from uncommon for this style, but they do preserve the narrative momentum. I did not feel as such here. The last time I felt like this was with Dandelion Dynasty, and that series triumphs with a much thorougher plot and exemplary character work.
Speaking of character work, it's probably the aspect that's faced the biggest drop in quality from the last book. Gone are the range of flavours: the depressed grungy yet competent noir detective, the empathetic spymaster, the finicky petulant adventurer or the overconfident yet underprepared billionastra; everyone's either a cool badass or an evil psycho now.
I was really hoping to see Hamilton balk at the obscenely rich with the flippant playboy billionastra Josias by making him out of his depth but he becomes the biggest badass of the galaxy out of nowhere here. Pretty much nothing bad happens to the good guys and they win at the end against a maniacal evil. The status quo remains. The teased space-gods remain unseen and everyone on page is happy. That joy fails to spill out of the page.
11/06/26
Holy shit was this a chore.
I do have a bit to talk about, but not today. I'm exhausted. Sheesh.
July 9, 2026
I was excited for this final installment of the Archimedes Engine and hoped it would delve deeper into the lore of that universe. To my surprise, however, it followed the same structure for 90% of the book, relying heavily on deus ex machina situations. There was almost no character development from the first book, and the story ends abruptly, leaving readers wondering if this was supposed to be a three-book series instead of two.
I’m disappointed.
I’m disappointed.
July 15, 2026
Helium Sea is the second book in the Archimedes Engine duology by Peter F. Hamilton. It picks up immediately where Archimedes Engine left off, following Finn & his allies as their rebellion reaches its peak while an exiled faction returns to reclaim their place in the Centauri Cluster. The balance of power between the Celestials & humanity hangs in the balance, & the stakes feel proportional to the world Hamilton has spent two books building. The science, technology, attention to detail, & the entire scope of the conflict are all large & ambitious in this one.
If Archimedes Engine was the setup, Helium Sea is the payoff (mostly). The pacing is faster, the action is heavier, & the twists come quickly. Some of the character & dialog limitations carry over from book one, though they are easy to look past. The bigger issue (for me) was a convoluted middle stretch where several storylines get tangled & require more patience to sort through than I wanted. The finale largely sticks the landing, though it wraps up fast & I thought a few storylines deserved more room. Book one may ultimately be the stronger read in my opinion, but this conclusion more than gets the job done.
As a complete duology, this series sits alongside Hamilton’s Salvation trilogy as some of the best sci-fi I have read in recent memory. What separates Hamilton from most writers in the genre is the sheer imagination & scale of the story. The underlying ideas here, spanning 40,000 years of human evolution, rival transhuman factions, & a conflict with civilizational stakes, are the kind that stay with you long after the reading ends. This is dense couple novels that mix hard science with large space opera worldbuilding & epic scope. If that combination appeals to you, Hamilton is operating at a level very few authors can match.
If Archimedes Engine was the setup, Helium Sea is the payoff (mostly). The pacing is faster, the action is heavier, & the twists come quickly. Some of the character & dialog limitations carry over from book one, though they are easy to look past. The bigger issue (for me) was a convoluted middle stretch where several storylines get tangled & require more patience to sort through than I wanted. The finale largely sticks the landing, though it wraps up fast & I thought a few storylines deserved more room. Book one may ultimately be the stronger read in my opinion, but this conclusion more than gets the job done.
As a complete duology, this series sits alongside Hamilton’s Salvation trilogy as some of the best sci-fi I have read in recent memory. What separates Hamilton from most writers in the genre is the sheer imagination & scale of the story. The underlying ideas here, spanning 40,000 years of human evolution, rival transhuman factions, & a conflict with civilizational stakes, are the kind that stay with you long after the reading ends. This is dense couple novels that mix hard science with large space opera worldbuilding & epic scope. If that combination appeals to you, Hamilton is operating at a level very few authors can match.
September 22, 2026
3* simply because of the semi disappointing ending. Still looking forwards to the game.
April 4, 2026
4.75/5
I received a copy of this book on Netgalley in exchange for an honest review.
Massive and expansive but surprisingly focused space opera. This takes the build up of Archimedes Engine and runs with it beautifully. It is a masterfully plotted adventure that takes the many threads built up over the series and weaves them together in an intricate and satisfying way while leaving plenty on the table to explore in the future.
From the get-go we're picking up where Archimedes Engine left off and we get immediate payoff from what it set up in awe inspiring and, often terrifying, moments.
I don't think I can emphasize enough how good the politics are. The many different factions, their motivations, their hidden schemes, and the dynamic nature of the alliances that form and break over the story is seriously impressive, it has to be some of my favorite politics in fiction.
It makes it fairly complex to keep track of, but it is very rewarding and engaging and made the world feel real and deep. It also makes the plot extremely compelling, as I was constantly thinking about what was going to happen and how these various factions might interact and conflict with each other. Often the characters involved are very long-lived so these Great Games they've been playing have been set up for millennia.
The world building is impressive and well thought out. It's clear Hamilton put a lot of legwork into the world and he is disciplined enough to maintain focus on telling the story he set out to tell in a way that reasonably wraps up in the 1600 or so page budget for the duology.
While this is by no means a short story, if anything, I think this could have been a 5+ book series and in a lot of ways it could have benefitted from a bigger page count, but I do appreciate that we weren't left waiting for years and years for the resolution to the story. So while I do want more, I am satisfied with what I've read so far and will be thinking of this world for quite some time to come.
Some of the plot points resolve a bit too quickly, it needed some breathing room after big climactic moments. In some ways some of the big confrontations resolve a bit too easily but it keeps the story moving and we don't get hung up on any particular plotline. This makes some of the moments with the characters not hit as hard as I think they could have, it's sort of a tradeoff for a faster moving plot and the consequence is we don't connect with the characters as much and don't have as much of an emotional connection with them.
I do think Hamilton could have added some more pages to make these moments a bit harder hitting when they happen but I was able to connect some of the dots in my head to put myself in the shoes of the characters, but it's definitely not the focus for the story. This is consistent with other Hamilton series so I'm not surprised but it could have been an area of improvement.
One of the technologies is used as a bit of a crutch multiple times (3 times that I remember) and in very similar ways to give insight into the antagonist factions without having as much at stake. This particular technology is a pretty interesting idea, I'm just not sure the implications of it were explored fully and it was a pretty convenient plot device at times, it wasn't a deal breaker for me however.
I do think the plot felt like you could tell it was set up to play out a particular way at times and could have been a little more dynamic and messy, but there were also plenty of surprises along the way, so not that big of a negative against the series.
Overall this is one of my favorite space operas and one of my favorite reads of this year. Really looking forward to the video game and hope it lives up to the story and world in the books.
I received a copy of this book on Netgalley in exchange for an honest review.
Massive and expansive but surprisingly focused space opera. This takes the build up of Archimedes Engine and runs with it beautifully. It is a masterfully plotted adventure that takes the many threads built up over the series and weaves them together in an intricate and satisfying way while leaving plenty on the table to explore in the future.
From the get-go we're picking up where Archimedes Engine left off and we get immediate payoff from what it set up in awe inspiring and, often terrifying, moments.
I don't think I can emphasize enough how good the politics are. The many different factions, their motivations, their hidden schemes, and the dynamic nature of the alliances that form and break over the story is seriously impressive, it has to be some of my favorite politics in fiction.
It makes it fairly complex to keep track of, but it is very rewarding and engaging and made the world feel real and deep. It also makes the plot extremely compelling, as I was constantly thinking about what was going to happen and how these various factions might interact and conflict with each other. Often the characters involved are very long-lived so these Great Games they've been playing have been set up for millennia.
The world building is impressive and well thought out. It's clear Hamilton put a lot of legwork into the world and he is disciplined enough to maintain focus on telling the story he set out to tell in a way that reasonably wraps up in the 1600 or so page budget for the duology.
While this is by no means a short story, if anything, I think this could have been a 5+ book series and in a lot of ways it could have benefitted from a bigger page count, but I do appreciate that we weren't left waiting for years and years for the resolution to the story. So while I do want more, I am satisfied with what I've read so far and will be thinking of this world for quite some time to come.
Some of the plot points resolve a bit too quickly, it needed some breathing room after big climactic moments. In some ways some of the big confrontations resolve a bit too easily but it keeps the story moving and we don't get hung up on any particular plotline. This makes some of the moments with the characters not hit as hard as I think they could have, it's sort of a tradeoff for a faster moving plot and the consequence is we don't connect with the characters as much and don't have as much of an emotional connection with them.
I do think Hamilton could have added some more pages to make these moments a bit harder hitting when they happen but I was able to connect some of the dots in my head to put myself in the shoes of the characters, but it's definitely not the focus for the story. This is consistent with other Hamilton series so I'm not surprised but it could have been an area of improvement.
One of the technologies is used as a bit of a crutch multiple times (3 times that I remember) and in very similar ways to give insight into the antagonist factions without having as much at stake. This particular technology is a pretty interesting idea, I'm just not sure the implications of it were explored fully and it was a pretty convenient plot device at times, it wasn't a deal breaker for me however.
I do think the plot felt like you could tell it was set up to play out a particular way at times and could have been a little more dynamic and messy, but there were also plenty of surprises along the way, so not that big of a negative against the series.
Overall this is one of my favorite space operas and one of my favorite reads of this year. Really looking forward to the video game and hope it lives up to the story and world in the books.
July 16, 2026
My poor tired brain couldn’t keep up with the plot, it all became so convoluted that I just lost the thread. At some point I’ll have to reread books one and two again.
July 14, 2026
Make sure you read the first book, and don’t wait too long to read the second as the story follows straight on and there are so many characters with complicated names I found it difficult to re enter the world and story.
A strange book. Slow in places then so quick to dispense of characters or leads to shift allegiances. Great in parts but I felt rushed at the end. Plus, given the foretelling of the big bad to see so little of them and to fail to see their perspective was disappointing. .
A strange book. Slow in places then so quick to dispense of characters or leads to shift allegiances. Great in parts but I felt rushed at the end. Plus, given the foretelling of the big bad to see so little of them and to fail to see their perspective was disappointing. .
July 2, 2026
Hamilton's second book in the Exodus duology is long and full of the usual space opera goodies. Continuing right from where the first book left off, which means I had a time getting back into the myriad names, alliances, ships, queens, etc. Really, if you can, read these back-to-back.
The problem with the book is that the tying up all the many many loose ends felt really rushed and/or matter-of-fact in the last quarter of the book. Each bad guy or threat was just eliminated by some future/magic tech and we moved on. As odd as it is to day about a 600+ page book, I feel like there are pacing problems here.
But, the book is still fun and is exactly what you came for. Huge scope, twisty politics, and good guys being good.
The problem with the book is that the tying up all the many many loose ends felt really rushed and/or matter-of-fact in the last quarter of the book. Each bad guy or threat was just eliminated by some future/magic tech and we moved on. As odd as it is to day about a 600+ page book, I feel like there are pacing problems here.
But, the book is still fun and is exactly what you came for. Huge scope, twisty politics, and good guys being good.
July 28, 2026
4.3 STARS
Special thanks to Netgalley and the publisher, Penguin Random House, for the digital advanced reader copy. All opinions, as always, are my own.
Exodus: The Helium Sea picks up right where the first book of the duology, The Archimedes Engine, leaves off. Finn and crew are on the run, and the Crown Dominion is complete chaos as Thyra completes her coup and assumes the role of Empress.
I loved how Hamiliton recaps and catches readers up, giving us a nice recap of events through the point of view of the characters. It was seamless and well done.
Being a duology, this book does not mess around...it is pretty much gas from the get go. Similar ot the first book, we have multiple plot threads, with multiple characters, and the politics creates a great game of political chess that keeps things on edge without compromising the cool sci-fi action and technology.
Full of twists, turns, and a cast mix of humans, celestials, and some aliens thrown in, this sci-fi duology has been a complex, yet fun ride. It ticks all of the great sci-fi boxes one would expect, and I feel in addition, it sets the universe for the upcoming Exodus game up in a thrilling manner.
Good prose, with plenty of science dialogue without being sciencey (not really a word, but you know what I mean). Great pacing, with a banger ending that is complete and leaves you satisfied.
If you have an interest in the upcoming game, or interest in space opera/sci-fi, then I highly recommend checking out this complete duology. These were the first two works of Peter F. Hamilton I have read, and I will be checking out his other works after these.
4.3 STARS
Special thanks to Netgalley and the publisher, Penguin Random House, for the digital advanced reader copy. All opinions, as always, are my own.
Exodus: The Helium Sea picks up right where the first book of the duology, The Archimedes Engine, leaves off. Finn and crew are on the run, and the Crown Dominion is complete chaos as Thyra completes her coup and assumes the role of Empress.
I loved how Hamiliton recaps and catches readers up, giving us a nice recap of events through the point of view of the characters. It was seamless and well done.
Being a duology, this book does not mess around...it is pretty much gas from the get go. Similar ot the first book, we have multiple plot threads, with multiple characters, and the politics creates a great game of political chess that keeps things on edge without compromising the cool sci-fi action and technology.
Full of twists, turns, and a cast mix of humans, celestials, and some aliens thrown in, this sci-fi duology has been a complex, yet fun ride. It ticks all of the great sci-fi boxes one would expect, and I feel in addition, it sets the universe for the upcoming Exodus game up in a thrilling manner.
Good prose, with plenty of science dialogue without being sciencey (not really a word, but you know what I mean). Great pacing, with a banger ending that is complete and leaves you satisfied.
If you have an interest in the upcoming game, or interest in space opera/sci-fi, then I highly recommend checking out this complete duology. These were the first two works of Peter F. Hamilton I have read, and I will be checking out his other works after these.
4.3 STARS
September 21, 2026
Stargate vs. Foundation
Apparently a two-book series is called a «duology»—and this is one of them. The second Exodus wraps up the story in style, a massive brick of nine hundred pages.
The ten thousand year great game unfolds in full and comes to an exciting conclusion in this novel, continuing right where the first ended. Fans of the Stargate universe, Battlestar Galactica, Farscape, and Foundation will love it.
Based on the framework Hamilton created for a game with the same title, this is Game of Thrones in Space. Please read my review of the first book for details.
The ending somehow comes too fast, too easy, but does not disappoint. It’s still at 10/10. The reversal near the end is strangely satisfying, as I was rooting for her all the time. You’ll know who.
As the first, the second eBook is nicely formatted. The mistakes are few and far apart, yet I will mention a couple of them:
Page 12: «a millennia ago» (the singular form is millennium)
Page 588: «two hundred and fifty» (there should be no «and» because this is US English)
Page 590: «jet back» (jet black)
Also, throughout the novel, apostrophes don’t look like apostrophes at all, but more like the acute accent. That may of course be the font’s fault.
Apparently a two-book series is called a «duology»—and this is one of them. The second Exodus wraps up the story in style, a massive brick of nine hundred pages.
The ten thousand year great game unfolds in full and comes to an exciting conclusion in this novel, continuing right where the first ended. Fans of the Stargate universe, Battlestar Galactica, Farscape, and Foundation will love it.
Based on the framework Hamilton created for a game with the same title, this is Game of Thrones in Space. Please read my review of the first book for details.
The ending somehow comes too fast, too easy, but does not disappoint. It’s still at 10/10. The reversal near the end is strangely satisfying, as I was rooting for her all the time. You’ll know who.
As the first, the second eBook is nicely formatted. The mistakes are few and far apart, yet I will mention a couple of them:
Page 12: «a millennia ago» (the singular form is millennium)
Page 588: «two hundred and fifty» (there should be no «and» because this is US English)
Page 590: «jet back» (jet black)
Also, throughout the novel, apostrophes don’t look like apostrophes at all, but more like the acute accent. That may of course be the font’s fault.
July 12, 2026
Exodus: The Helium Sea, Archimedes Engine #2 is the epic conclusion of the Archimedes Engine duology by legendary author Peter F. Hamilton. As I stated in the review of the first book, this is a prime example of why Peter F. Hamilton is considered one of the top authors of modern science fiction. This is a great book, with a complex world, interesting tech, and well-developed characters. It has much intrigue, complicated politics, and intertwining plots that hold one's interest with some clever misdirects and twists. A fantastic read that wraps the story up nicely. A must-read for fans of Peter F. Hamilton.
August 21, 2026
I really enjoyed this duology.
Millenia spanning space opera goodness can be found within the combined 1600+ pages of books 1 and 2.
A great cast of characters, allegiances forged, tested, broken...some interesting ideas with technology and the way the human species would/could evolve given enough time.
Pretty mind-blowing really.
My only gripe was the horror-esque bits that only came into it towards the very end were sublime and I wish they had been given more room/pages to breathe.
This has certainly made me want to read even more of the Peter F Hamilton catalogue.
Millenia spanning space opera goodness can be found within the combined 1600+ pages of books 1 and 2.
A great cast of characters, allegiances forged, tested, broken...some interesting ideas with technology and the way the human species would/could evolve given enough time.
Pretty mind-blowing really.
My only gripe was the horror-esque bits that only came into it towards the very end were sublime and I wish they had been given more room/pages to breathe.
This has certainly made me want to read even more of the Peter F Hamilton catalogue.
July 21, 2026
A solid story, with lots of twists and turns.
My only real gripe is that when stakes escalate to the heights that Hamilton managed to escalate them to, the conclusion almost always seems to be underwhelming. “Universal and existential crisis? Here’s a 5 minute space combat scene to wrap it up!”
Also a bit annoyed anytime there’s a death fake-out, but I like Josias so much I’ll let it slide this time.
My only real gripe is that when stakes escalate to the heights that Hamilton managed to escalate them to, the conclusion almost always seems to be underwhelming. “Universal and existential crisis? Here’s a 5 minute space combat scene to wrap it up!”
Also a bit annoyed anytime there’s a death fake-out, but I like Josias so much I’ll let it slide this time.
This entire review has been hidden because of spoilers.
August 10, 2026
Thoroughly enjoyable. It keeps the classic sci-fi vibes and breaths some new life into the genre. The suspension and action is top notch. I love sci-fi because it is a medium that authors can use to explore where we, the human race, might be going. Hamilton did an excellent job exploring just that.
I especially enjoyed the detailed descriptions of different technologies, biospheres, and species/humanoids. I look forward to reading more from this author.
I especially enjoyed the detailed descriptions of different technologies, biospheres, and species/humanoids. I look forward to reading more from this author.
July 14, 2026
Loved this duology! It is an epic sci-fi spanning years. Large cast of characters. Space Opera. Universe building is phenomenal. The ending was a little weaker than I wanted, but what the author accomplished in this story makes it worthy of 5 stars.
August 10, 2026
Er zijn wel HEEL veel duiveltjes in doosjes die op precies het juiste moment door precies de juiste mensen gevonden worden. En de ontknoping volgen elkaar ook te snel op tegen het einde aan, waarmee dingen hun impact/waarde verliezen. Maar prima om te lezen, Hamilton heeft een formule maar wel een waar ik van houd.
October 1, 2026
well im glad I found out about this series. 2 books done. and a new game to follow up with
July 6, 2026
Couldn't finish. I shouldn't have started, seeing as I forced my way through the prequel. The prose is dry; I'm too stupid to understand all the sci-fi lingo, so I never know what I just read; and I still can't find myself caring for any of the characters like in the first book. Might give it another shot in the future though. We'll see.
July 1, 2026
The second volume in the Exodus story is less well written, less polished, and the middle part of it is terribly unedited. It seems to have been rushed out. The author’s note at the end reveals that it was intended as world-building for a sci-fi game which is intended to launch in 2027. That might explain some of the poorer quality. Nevertheless it’s cracking space opera, exciting and fun.
August 17, 2026
When the blurb for Peter F. Hamilton's Exodus: The Archimedes Engine was first released, I was instantly hooked. But when it was announced that the book was set in the universe of an upcoming science fiction action-adventure RPG, I was a bit concerned that it might not be everything I wanted it to be. Ye of little faith, I know, and thankfully my fears were unfounded. Indeed, the book isn't a novelization of the videogame and it takes place thousands of years before. Hence, other than sharing that far-reaching universe, one can fully enjoy the book without playing the game and vice versa.
Not only that, but The Archimedes Engine was Hamilton's best novel in years and my favorite SFF work of 2024! So could its sequel, The Helium Sea, deliver on all fronts and live up the lofty expections generated by its predecessor? The answer is a resounding yes!
Here's the blurb:
The epic conclusion of the Archimedes Engine duology by legendary author Peter F. Hamilton. Set in the universe of EXODUS, a new sci-fi action-adventure RPG coming soon from Archetype Entertainment.
For millennia, the Crown Dominion has been at relative peace, with the Celestials in control and the human population little better than serfs. But now the Crown Dominion is facing a crisis of epic proportions—one that could change the balance of power in the Centauri Cluster forever—as an exiled faction that has been waiting for seven thousand years beyond the Helium Sea has returned to claim their vengeance.
For Finn and his human allies, who have ended up at the center of this conflict either through circumstance or manipulation, this is an unprecedented opportunity. If they can band together, they may be able to outwit the Celestials and finally earn their fellow humans a place of independence and power in the Crown Dominion. But first they must locate and master ancient artifacts of immense power that could give them a needed edge in the conflict ahead. And all while ducking the forces that are determined to knock them off the board for good.
As mentioned in my review of The Archimedes Engine, like all previous series/novels by Peter F. Hamilton, the Exodus duology is vast in scope and vision. Covering more than 40,000 years, from the time the first arkships left Earth to the present day political intrigue within and without the Centauri Cluster, the worldbuilding is extensive to say the least. To say that these novels feature a multilayered plot would be the understatement of the year. Thankfully, there is a timeline and a Dramatis Personae at the start of the book. I rarely say this, but this is a series that would have benefited from having a substantial glossary at the end of each installment. The scale of this story is enormous and somehow the sprawling worldbuilding just gets bigger in The Helium Sea.
The heart of the tale revolves around the Crown Dominion, comprised of six adjacent star systems ruled by a different House. Centuries before, one of the Queens launched a subversive campaign to evolve the Imperial Celestials in a fashion that was anathema to the others, forcing her counterparts to unite their forces and destroy her and her entire House. Since then, the five remaining Queens signed the Imperial Accord and each of them in turn will rule as Empress for sixty years. But cracks have appeared in this alliance and external factors have come into play to destabilize the entire Crown Dominion. Since the Remnant Era, which saw the violent rise and fall of interstellar civilizations through atrocious wars that saw countless worlds laid waste, armed conflicts have become extremely rare. Every Dominion has its Archons and their agents and this Cold War is waged through their proxies. This unwritten rule has defined intra- and extra-Dominion antagonism for ages, yet someone appears to be fomenting chaos that could start a new war and various Archons are now trying to discover which Dominion could be the culprit. Could this be a tale of revenge millennia in the making? In The Helium Sea, Hamilton finally provides the answers to all the questions raised in the first volume and it makes for an exciting read.
Once again, given the number of plotlines, there are a multitude of perspectives that witness events throughout the novel. Some POVs are better and more interesting than others, yet I would say that all are probably important for the author to convey everything that needs to be shared. There is a lot going on all across the Centauri Cluster, so various eyes and ears are necessary to follow the action and make sure that it all makes sense in the end. I found everything that has to do with the Queens of the Crown Dominion to be a lot more interesting in this second installment, what with them taking center stage in the growing conflict that could see their rule reduced to nothing. Once more in this sequel, it's the Archons and their espionage that I found the most captivating. And even if the Crown Dominion might not survive this war, Josias Aponi, the only man alive who has walked on Old Earth, will not settle for a life of servitude under the yoke of an oppressive regime and will continue to fight for the rights of humans and transhuman species, regardless of who will ultimately emerge victorious among the Celestials.
In The Archimedes Engine, it did take quite some time for the overall plot to take shape, and Hamilton needed more than 200 pages to lay the groundwork for everything that came after. There is no such pacing issue in The Helium Sea. The novel kicks off right where the first volume ended. The plot does meander a bit in the middle as various protagonists are sent on side quests, but I wouldn't say that the rhythm is ever a problem. This is another Hamilton doorstopper that turns into a page-turner once it really gets going!
Despite the frustrating cliffhanger ending, I felt that Peter F. Hamilton came up with a thrilling endgame and a rousing finale that closed the show with panache in the first volume. The same can be said of this sequel, though it suffers from the Wheel of Time syndrome. Basically all the good guys survive what could have been an end-of-days scenario, which defies credulity. In addition, the oft-mentioned Elohim, godlike creators of the Gates of Heaven, never make an appearance, which was a bit disappointing.
The Exodus duology is space opera at its very best! The Helium Sea is my favorite SFF read of 2026 so far!
For more reviews, check out www.fantasyhotlist.blogspot.com
Not only that, but The Archimedes Engine was Hamilton's best novel in years and my favorite SFF work of 2024! So could its sequel, The Helium Sea, deliver on all fronts and live up the lofty expections generated by its predecessor? The answer is a resounding yes!
Here's the blurb:
The epic conclusion of the Archimedes Engine duology by legendary author Peter F. Hamilton. Set in the universe of EXODUS, a new sci-fi action-adventure RPG coming soon from Archetype Entertainment.
For millennia, the Crown Dominion has been at relative peace, with the Celestials in control and the human population little better than serfs. But now the Crown Dominion is facing a crisis of epic proportions—one that could change the balance of power in the Centauri Cluster forever—as an exiled faction that has been waiting for seven thousand years beyond the Helium Sea has returned to claim their vengeance.
For Finn and his human allies, who have ended up at the center of this conflict either through circumstance or manipulation, this is an unprecedented opportunity. If they can band together, they may be able to outwit the Celestials and finally earn their fellow humans a place of independence and power in the Crown Dominion. But first they must locate and master ancient artifacts of immense power that could give them a needed edge in the conflict ahead. And all while ducking the forces that are determined to knock them off the board for good.
As mentioned in my review of The Archimedes Engine, like all previous series/novels by Peter F. Hamilton, the Exodus duology is vast in scope and vision. Covering more than 40,000 years, from the time the first arkships left Earth to the present day political intrigue within and without the Centauri Cluster, the worldbuilding is extensive to say the least. To say that these novels feature a multilayered plot would be the understatement of the year. Thankfully, there is a timeline and a Dramatis Personae at the start of the book. I rarely say this, but this is a series that would have benefited from having a substantial glossary at the end of each installment. The scale of this story is enormous and somehow the sprawling worldbuilding just gets bigger in The Helium Sea.
The heart of the tale revolves around the Crown Dominion, comprised of six adjacent star systems ruled by a different House. Centuries before, one of the Queens launched a subversive campaign to evolve the Imperial Celestials in a fashion that was anathema to the others, forcing her counterparts to unite their forces and destroy her and her entire House. Since then, the five remaining Queens signed the Imperial Accord and each of them in turn will rule as Empress for sixty years. But cracks have appeared in this alliance and external factors have come into play to destabilize the entire Crown Dominion. Since the Remnant Era, which saw the violent rise and fall of interstellar civilizations through atrocious wars that saw countless worlds laid waste, armed conflicts have become extremely rare. Every Dominion has its Archons and their agents and this Cold War is waged through their proxies. This unwritten rule has defined intra- and extra-Dominion antagonism for ages, yet someone appears to be fomenting chaos that could start a new war and various Archons are now trying to discover which Dominion could be the culprit. Could this be a tale of revenge millennia in the making? In The Helium Sea, Hamilton finally provides the answers to all the questions raised in the first volume and it makes for an exciting read.
Once again, given the number of plotlines, there are a multitude of perspectives that witness events throughout the novel. Some POVs are better and more interesting than others, yet I would say that all are probably important for the author to convey everything that needs to be shared. There is a lot going on all across the Centauri Cluster, so various eyes and ears are necessary to follow the action and make sure that it all makes sense in the end. I found everything that has to do with the Queens of the Crown Dominion to be a lot more interesting in this second installment, what with them taking center stage in the growing conflict that could see their rule reduced to nothing. Once more in this sequel, it's the Archons and their espionage that I found the most captivating. And even if the Crown Dominion might not survive this war, Josias Aponi, the only man alive who has walked on Old Earth, will not settle for a life of servitude under the yoke of an oppressive regime and will continue to fight for the rights of humans and transhuman species, regardless of who will ultimately emerge victorious among the Celestials.
In The Archimedes Engine, it did take quite some time for the overall plot to take shape, and Hamilton needed more than 200 pages to lay the groundwork for everything that came after. There is no such pacing issue in The Helium Sea. The novel kicks off right where the first volume ended. The plot does meander a bit in the middle as various protagonists are sent on side quests, but I wouldn't say that the rhythm is ever a problem. This is another Hamilton doorstopper that turns into a page-turner once it really gets going!
Despite the frustrating cliffhanger ending, I felt that Peter F. Hamilton came up with a thrilling endgame and a rousing finale that closed the show with panache in the first volume. The same can be said of this sequel, though it suffers from the Wheel of Time syndrome. Basically all the good guys survive what could have been an end-of-days scenario, which defies credulity. In addition, the oft-mentioned Elohim, godlike creators of the Gates of Heaven, never make an appearance, which was a bit disappointing.
The Exodus duology is space opera at its very best! The Helium Sea is my favorite SFF read of 2026 so far!
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September 29, 2026
Exodus Archimedes Engine 2 ist Fortsetzung und die 2. Hälfte des ersten Bandes der Science-Fiction-Duologie von Bestseller-Autor Peter F. Hamilton. (Die deutschen Ausgaben entsprechen jeweils zwei Hälften der amerikanischen Orginalen)
Das Buch dient als literarisches Fundament für das mit Spannung erwartete SF-Rollenspiel Exodus – Become the Traveler, das im Jahr 2027 erscheinen soll.
Das Buch setzt die Geschichte um den jungen Protagonisten Finn Jalgori-Tobu im Centauri-Cluster nahtlos fort. Nachdem er seine geerbten Besitztümer gegen ein interstellares Raumschiff eingetauscht hat, versucht er verzweifelt, die Ankunft der normalen ("die Baseline"-)Menschen in ihrer neuen Heimat abzusichern. Für diese Neuankömmlinge droht eine düstere Zukunft, da sie von den herrschenden, gottgleichen Celestials wie Leibeigene zweiter Klasse behandelt werden.
Um die Menschen zu schützen und ein Gleichgewicht der Kräfte zu erzwingen, muss Finn mit seinen Verbündeten tiefer in den geheimnisvollen Mechanismus der gigantischen Archimedes Engine eingreifen. Dafür jagen sie im gesamten Centauri-Cluster nach uralten Artefakten und Relikten. Doch diese Bergungen sind ein Wettlauf um Leben und Tod: Jedes Objekt wird von tödlichen Fallen und Armeen von „Geistern“ – den hochtechnologischen Kampfrobotern der Celestials – bewacht.
Der zweite Erzählstrang widmet sich der Führungsebene der Celestials innerhalb des mächtigen Krone (Crown Dominion) sowie deren Spionagenetzwerken. Das jahrtausendealte Machtgefüge gerät ins Wanken, als eine seit 7.000 Jahren verbannte Celestial-Fraktion aus den Tiefen jenseits der mysteriösen „ Heliumsee “ zurückkehrt, um gnadenlose Rache zu üben.
Zeitgleich erschüttern mysteriöse Anschläge das Reich. Die verschiedenen Celestial-Dynastien lassen ihre Masken fallen, und ein im Verborgenen geführtes politisches Intrigenspiel bricht in einen offenen, brutalen Krieg um die absolute Herrschaft aus.
Für Finn und die menschliche Rebellion bietet das Chaos des Bürgerkriegs unter den Celestials eine historische Chance. Es entbrennt ein rasanter Wettlauf gegen die Zeit, bei dem Finn versuchen muss, die Archimedes Engine rechtzeitig in den Griff zu bekommen damit sie eine kleine Chance gegen die Celestials zu haben...
Das Buch bricht danach mit einem Cliffhanger ab, der zur ersten Hälfte des 2. Bandes führen wird ( Exodus Helium Sea 1 ). Hier kann ich Hamilton wieder für sein phänomenales Worldbuilding gratulieren, denn er hat mit seinem ersten Band (hier ist das amerikanische Orginal, d.h. die zwei deutschen Bände gemeint) das Exodus-Universum extrem detailliert zum Leben zu erweckt. Die Evolution der Menschheit in verschiedene Unterarten (wie die mächtigen Celestials) und die komplexen Biosphären faszinierten mich total. (wie er es auch im Armageddon -Zyklus, besonders aber auch im Commonwealth -Zyklus getan hat).
Ich feiere auch den Umgang mit seinem eigenen Space-Opera-Vibe, z.B. den massiven Umfang an Zeit, Raum und Charakteren. Es weckt Erinnerungen an Hamiltons gefeierten Space Operas.
Obwohl die Bücher ein offizielles Bindeglied (Tie-in) zum kommenden Videospiel Exodus sind, liest es sich wie ein eigenständiger, hochkarätiger SF-Politthriller. Die Geschichte funktioniert perfekt auch ohne Interesse am Spiel.
Allerdings fordert der Roman auch einiges vom Leser ab. Gerade weil die Bände so gewaltig sind und viele Handlungsstränge parallel laufen, droht die Gefahr nach Pausen den Faden zu verlieren. Man muss oft zurückblättern zu den Glossaren um die komplexen politischen Allianzen der Celestials zu verstehen. Trotzdem, es hat unglaublich Spaß gemacht und wieder mal, nach längerer Zeit, ein Lesegenuss der hängen bleiben wird...
Das Buch dient als literarisches Fundament für das mit Spannung erwartete SF-Rollenspiel Exodus – Become the Traveler, das im Jahr 2027 erscheinen soll.
Das Buch setzt die Geschichte um den jungen Protagonisten Finn Jalgori-Tobu im Centauri-Cluster nahtlos fort. Nachdem er seine geerbten Besitztümer gegen ein interstellares Raumschiff eingetauscht hat, versucht er verzweifelt, die Ankunft der normalen ("die Baseline"-)Menschen in ihrer neuen Heimat abzusichern. Für diese Neuankömmlinge droht eine düstere Zukunft, da sie von den herrschenden, gottgleichen Celestials wie Leibeigene zweiter Klasse behandelt werden.
Um die Menschen zu schützen und ein Gleichgewicht der Kräfte zu erzwingen, muss Finn mit seinen Verbündeten tiefer in den geheimnisvollen Mechanismus der gigantischen Archimedes Engine eingreifen. Dafür jagen sie im gesamten Centauri-Cluster nach uralten Artefakten und Relikten. Doch diese Bergungen sind ein Wettlauf um Leben und Tod: Jedes Objekt wird von tödlichen Fallen und Armeen von „Geistern“ – den hochtechnologischen Kampfrobotern der Celestials – bewacht.
Der zweite Erzählstrang widmet sich der Führungsebene der Celestials innerhalb des mächtigen Krone (Crown Dominion) sowie deren Spionagenetzwerken. Das jahrtausendealte Machtgefüge gerät ins Wanken, als eine seit 7.000 Jahren verbannte Celestial-Fraktion aus den Tiefen jenseits der mysteriösen „ Heliumsee “ zurückkehrt, um gnadenlose Rache zu üben.
Zeitgleich erschüttern mysteriöse Anschläge das Reich. Die verschiedenen Celestial-Dynastien lassen ihre Masken fallen, und ein im Verborgenen geführtes politisches Intrigenspiel bricht in einen offenen, brutalen Krieg um die absolute Herrschaft aus.
Für Finn und die menschliche Rebellion bietet das Chaos des Bürgerkriegs unter den Celestials eine historische Chance. Es entbrennt ein rasanter Wettlauf gegen die Zeit, bei dem Finn versuchen muss, die Archimedes Engine rechtzeitig in den Griff zu bekommen damit sie eine kleine Chance gegen die Celestials zu haben...
Das Buch bricht danach mit einem Cliffhanger ab, der zur ersten Hälfte des 2. Bandes führen wird ( Exodus Helium Sea 1 ). Hier kann ich Hamilton wieder für sein phänomenales Worldbuilding gratulieren, denn er hat mit seinem ersten Band (hier ist das amerikanische Orginal, d.h. die zwei deutschen Bände gemeint) das Exodus-Universum extrem detailliert zum Leben zu erweckt. Die Evolution der Menschheit in verschiedene Unterarten (wie die mächtigen Celestials) und die komplexen Biosphären faszinierten mich total. (wie er es auch im Armageddon -Zyklus, besonders aber auch im Commonwealth -Zyklus getan hat).
Ich feiere auch den Umgang mit seinem eigenen Space-Opera-Vibe, z.B. den massiven Umfang an Zeit, Raum und Charakteren. Es weckt Erinnerungen an Hamiltons gefeierten Space Operas.
Obwohl die Bücher ein offizielles Bindeglied (Tie-in) zum kommenden Videospiel Exodus sind, liest es sich wie ein eigenständiger, hochkarätiger SF-Politthriller. Die Geschichte funktioniert perfekt auch ohne Interesse am Spiel.
Allerdings fordert der Roman auch einiges vom Leser ab. Gerade weil die Bände so gewaltig sind und viele Handlungsstränge parallel laufen, droht die Gefahr nach Pausen den Faden zu verlieren. Man muss oft zurückblättern zu den Glossaren um die komplexen politischen Allianzen der Celestials zu verstehen. Trotzdem, es hat unglaublich Spaß gemacht und wieder mal, nach längerer Zeit, ein Lesegenuss der hängen bleiben wird...
October 3, 2026
**Exodus: The Helium Sea** is the conclusion to Peter F. Hamilton’s epic *Exodus: The Archimedes Engine*. The Crown Dominion has enjoyed relative peace for millennia, with the Celestials firmly in control and the human population treated little better than serfs. But now the Celestials face a crisis of epic proportions, one that threatens to permanently upset the balance of power in the Centauri Cluster.
Helena-Thyra has killed the current Empress in a coup. Now, as the acting head of the four Empresses of the Crown Dominion, she must eliminate the remaining three rulers if she is to seize total control.
Meanwhile, an exiled faction from beyond the Helium Sea has waited seven thousand years for revenge. Finn and his human allies find themselves caught in the middle of this power struggle, manipulated and used as pawns in a much larger game. Finn is fleeing for his life aboard the arkship *Diligent*, accompanied by the remnants of his family and crew. But there may be another option: a way to turn the grand design to his own ends and secure humanity’s continued existence among the stars.
If they succeed, they may finally win independence and power for their fellow humans within the Crown Dominion. First, however, they must locate and master ancient artefacts that could give them an advantage in the coming conflict, while outwitting the various forces determined to stop them.
*The Archimedes Engine* was a typical Peter F. Hamilton sprawling sci-fi epic, packed with minute detail, political intrigue, world-building and action. *The Helium Sea* retains much of that complexity but concentrates more heavily on the action, making it faster-paced overall. Having said that, there are still occasional lulls caused by the political manoeuvring and mind games.
The sheer number of characters, factions, technologies and strands of the story means you really have to concentrate or risk losing the plot. It is dense. Add in the time-dilation element, with events taking place over several years or even decades simultaneously, and keeping track of everything can become a challenge.
One thing worth noting is that the book dives straight into the action with virtually no recap. If it has been a while since you read *The Archimedes Engine*, you may initially struggle to get back up to speed. Luckily, I listened to both books back-to-back on Audible, which made this much easier. Even so, I missed having the character maps and lists that I had with the Kindle edition of the first book. With such a huge cast of characters and factions, they would have been very useful.
Despite the faster pace and somewhat more streamlined story, I didn’t think *The Helium Sea* was quite as good as *The Archimedes Engine*. In simplifying the story to some extent, it loses a little of the intrigue and complexity that are part of what I enjoy about Hamilton’s books. His great strength is creating vast, multilayered stories, and here I felt that some of that was missing.
The pacing is also uneven. At times there is relatively little action and a lot of talking, political manoeuvring and mind games, which can become a little tedious. Then, suddenly, the story switches into full-on action and seems to travel at a hundred light years an hour. Even during the quieter sections, however, I sometimes felt that the story was taking a long time to get where it was going.
That said, this is still a good story, and Hamilton remains a master of this kind of epic science fiction. *The Helium Sea* will undoubtedly appeal to his existing readers, myself included. It is ambitious, hugely detailed and packed with ideas, even if I found the first book slightly more satisfying.
**3½ stars**
Helena-Thyra has killed the current Empress in a coup. Now, as the acting head of the four Empresses of the Crown Dominion, she must eliminate the remaining three rulers if she is to seize total control.
Meanwhile, an exiled faction from beyond the Helium Sea has waited seven thousand years for revenge. Finn and his human allies find themselves caught in the middle of this power struggle, manipulated and used as pawns in a much larger game. Finn is fleeing for his life aboard the arkship *Diligent*, accompanied by the remnants of his family and crew. But there may be another option: a way to turn the grand design to his own ends and secure humanity’s continued existence among the stars.
If they succeed, they may finally win independence and power for their fellow humans within the Crown Dominion. First, however, they must locate and master ancient artefacts that could give them an advantage in the coming conflict, while outwitting the various forces determined to stop them.
*The Archimedes Engine* was a typical Peter F. Hamilton sprawling sci-fi epic, packed with minute detail, political intrigue, world-building and action. *The Helium Sea* retains much of that complexity but concentrates more heavily on the action, making it faster-paced overall. Having said that, there are still occasional lulls caused by the political manoeuvring and mind games.
The sheer number of characters, factions, technologies and strands of the story means you really have to concentrate or risk losing the plot. It is dense. Add in the time-dilation element, with events taking place over several years or even decades simultaneously, and keeping track of everything can become a challenge.
One thing worth noting is that the book dives straight into the action with virtually no recap. If it has been a while since you read *The Archimedes Engine*, you may initially struggle to get back up to speed. Luckily, I listened to both books back-to-back on Audible, which made this much easier. Even so, I missed having the character maps and lists that I had with the Kindle edition of the first book. With such a huge cast of characters and factions, they would have been very useful.
Despite the faster pace and somewhat more streamlined story, I didn’t think *The Helium Sea* was quite as good as *The Archimedes Engine*. In simplifying the story to some extent, it loses a little of the intrigue and complexity that are part of what I enjoy about Hamilton’s books. His great strength is creating vast, multilayered stories, and here I felt that some of that was missing.
The pacing is also uneven. At times there is relatively little action and a lot of talking, political manoeuvring and mind games, which can become a little tedious. Then, suddenly, the story switches into full-on action and seems to travel at a hundred light years an hour. Even during the quieter sections, however, I sometimes felt that the story was taking a long time to get where it was going.
That said, this is still a good story, and Hamilton remains a master of this kind of epic science fiction. *The Helium Sea* will undoubtedly appeal to his existing readers, myself included. It is ambitious, hugely detailed and packed with ideas, even if I found the first book slightly more satisfying.
**3½ stars**
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