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by James S. A. Corey
The second book in the New York Times bestselling Expanse series, Caliban's War shows a solar system on the brink of war, and the only hope of peace rests on James Holden and the crew of the Rocinante's shoulders.
We are not alone. On Ganymede, breadbasket of the outer planets, a Martian marine watches as her platoon is slaughtered by a monstrous supersoldier. On Earth, a high-level politician struggles to prevent interplanetary war from reigniting. And on Venus, an alien protomolecule has overrun the planet, wreaking massive, mysterious changes and threatening to spread out into the solar system.
In the vast wilderness of space, James Holden and the crew of the Rocinante have been keeping the peace for the Outer Planets Alliance. When they agree to help a scientist search war-torn Ganymede for a missing child, the future of humanity rests on whether a single ship can prevent an alien invasion that may have already begun ...
What are you reading this week? And what did you think of last week’s books? (1/29/2026)
Just finished Field Notes From an Unintentional Birder: A Memoir by Julia Zarankin (non-fiction / memoir / nature). And, now reading Caliban's War by James S A Corey, the second in the Expanse series (sci-fiction).
-Gabi_J
"This breakneck tale will have readers itching for book three." ―Publishers Weekly
"A worthy sequel to Leviathan's Wake. Compelling characters and a plot that combines political intrigue with military sf create a memorable story that begs for film adaptation." ―Library Journal
"Caliban's War is even better than Leviathan Wakes. It's old-fashioned space opera, the kind of SF that I cut my teeth on, a real page-turner set in a vividly imagined solar system... superlatively written." ―George R.R. Martin, New York Times bestselling author of A Game of Thrones
This information about Caliban's War (The Expanse, 2) was first featured
in "The BookBrowse Review" - BookBrowse's membership magazine, and in our weekly "Publishing This Week" newsletter. Publication information is for the USA, and (unless stated otherwise) represents the first print edition. The reviews are necessarily limited to those that were available to us ahead of publication. If you are the publisher or author and feel that they do not properly reflect the range of media opinion now available, send us a message with the mainstream reviews that you would like to see added.
Any "Author Information" displayed below reflects the author's biography at the time this particular book was published.
James S. A. Corey is the pen name of Daniel Abraham and Ty Franck. In addition to writing the novels and short stories of The Expanse, they wrote and produced the television series of the same name. Daniel lives with his family in the American southwest. Ty will tell you where he lives when and if he wants you to come over.
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