The Mountain in the Sea

A Novel

Paperback, 464 pages

Published June 20, 2023 by Picador.

ISBN:
978-1-250-87227-2
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4 stars (14 reviews)

Humankind discovers intelligent life in an octopus species with its own language and culture, and sets off a high-stakes global competition to dominate the future.

Rumors begin to spread of a species of hyperintelligent, dangerous octopus that may have developed its own language and culture. Marine biologist Dr. Ha Nguyen, who has spent her life researching cephalopod intelligence, will do anything for the chance to study them.

The transnational tech corporation DIANIMA has sealed the remote Con Dao Archipelago, where the octopuses were discovered, off from the world. Dr. Nguyen joins DIANIMA’s team on the islands: a battle-scarred security agent and the world’s first android.

The octopuses hold the key to unprecedented breakthroughs in extrahuman intelligence. The stakes are high: there are vast fortunes to be made by whoever can take advantage of the octopuses’ advancements, and as Dr. Nguyen struggles to communicate with the newly discovered species, forces larger …

5 editions

The Mountain in the Sea

5 stars

On the surface, this is a future sf book about discovering sentient octopuses and trying to communicate with them. But, this is no Children of Ruin or even a Feed Them Silence; it hinges less on plot and characters, and feels more about worldbuilding in service to philosophy.

I quite enjoyed this book, and the strongest part was just how tightly the book's themes and ideas intertwined through the book's different point of views and the worldbuilding. It's a not-so-far future book with sentient octopuses, overfished waters, AI boats that drive themselves in search of profit, drones driven by humans in tanks, and the first android (but one reviled by humanity). It's a book about language and communication, memory and forgetting, what it means to be human and exist in community, and about fear of others.

Thoughtful hard sci-fi

5 stars

This is a thoughtful work of sci-fi with the relationship between humans and their environment as a central theme. With a mystery at its center (or perhaps two or three mysteries, depending how you count), it was an exciting read, and also a moving and thought-provoking one, touching on themes what it means to be conscious, to communicate with other beings, to connect, to be a part / apart.

This was much "harder" on the science than most of what I've been reading recently, and certainly harder than the most of the recent Hugo and Nebula nominees and awards. I'm surprised I haven't seen more buzz about this book.

Asks many interesting questions, has the sense not to try to give pat answers

5 stars

So much to love about this book, how it weaves together unanswerable questions about consciousness and computation, together with a much more didactic message about humans' consumptive relationships with, well, everything including each other, and enough of a mystery story to keep the plot moving along. Also some great evocations of places (ahhh, multiple key scenes on Istanbul ferries), and of the ways peoples' reputations misrepresent their selves.

It's not a strongly character driven book - every character that is fleshed out seems to be a variant of "loner who wishes for connection" and largely a vehicle for the author's ideas - but there's enough depth to the characters to keep me reading. My one real criticism is that the ending felt a bit rushed. Not in the sort of too convenient, story-undermining way, but not quite satisfying either. It doesn't feel like a set up for a sequel, but …

Asks many interesting questions, has the sense not to try to give pat answers

5 stars

So much to love about this book, how it weaves together unanswerable questions about consciousness and computation, together with a much more didactic message about humans' consumptive relationships with, well, everything including each other, and enough of a mystery story to keep the plot moving along. Also some great evocations of places (ahhh, multiple key scenes on Istanbul ferries), and of the ways peoples' reputations misrepresent their selves.

It's not a strongly character driven book - every character that is fleshed out seems to be a variant of "loner who wishes for connection" and largely a vehicle for the author's ideas - but there's enough depth to the characters to keep me reading. My one real criticism is that the ending felt a bit rushed. Not in the sort of too convenient, story-undermining way, but not quite satisfying either. It doesn't feel like a set up for a sequel, but …

Thematically driven

3 stars

This is less about the characters or the plot, and more about the philosophies and science. My favorite parts were actually the fictional book excerpts between chapters, and I may need to read the books he acknowledges as helping him shape the ideas presented in the book. This strikes me as a political thriller (without the thrill part) focused on connection, communication, and choice. Which, I suppose is a way of saying the book is about consciousness. Despite how dry that might sound, I actually enjoyed the book. I finished it fairly quickly; it reads smoothly and compellingly despite (or maybe because of?) the too-even tone, in my opinion. Pacing occasionally felt bogged down by setting, and there were some spots where the dialogues were clearly an info dump vehicle, but I found the info interesting so I didn't mind too much. The plot resolution was sudden and felt abrupt, …

Review of 'Mountain in the Sea' on 'Goodreads'

4 stars

It does the thing all good sci-fi should do: use the sci-fi setting.to examine and interrogate questions of ethics and society.

The narrative is fairly engaging, even if the characters' dialogue leaves them with very little in the way of distinct voices — perhaps for reasons that are maybe explained in-world.

Overall, it's a fun summer read that raises a lot of interesting ideas about what it means to be a person and how our actions impact those around us.

For parents of sci-fi readers, there's enough casual (but not really described in detail, thankfully) sex in the book that it's probably not one to hand to teenagers — so be aware of that.

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