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What We Can Know

Published
Sep 2025
Main Genre
Science Fiction Sci-Fi
Rating
Pages
400

About This Book

NEW YORK TIMES BESTSELLER • From the Booker prize–winning, bestselling author of Atonement and Saturday, a genre-bending new novel full of secrets and surprises; an immersive exploration, across time and history, of what can ever be truly known.

"It gave me so much pleasure I sometimes felt like laughing. . . . It's a sophisticated entertainment of a high order." —The New York Times

"
Brilliantly, and surprisingly, plotted."—The Washington Post • "A novelist of consummate skill."—The Wall Street Journal • "Elegantly structured and provocative."—Los Angeles Times


2014: At a dinner for close friends and colleagues, renowned poet Francis Blundy honors his wife's birthday by reading aloud a new poem dedicated to her, ‘A Corona for Vivien'. Much wine is drunk as the guests listen, and a delicious meal consumed. Little does anyone gathered around the candlelit table know that for generations to come people will speculate about the message of this poem, a copy of which has never been found, and which remains an enduring mystery.

2119: Just over one hundred years in the future, much of the western world has been submerged by rising seas following a catastrophic nuclear accident. Those who survive are haunted by the richness of the world that has been lost. In the water-logged south of what used to be England, Thomas Metcalfe, a lonely scholar and researcher, longs for the early twenty-first century as he chases the ghost of one poem, ‘A Corona for Vivian'. How wild and full of risk their lives were, thinks Thomas, as he pores over the archives of that distant era, captivated by the freedoms and possibilities of human life at its zenith. When he stumbles across a clue that may lead to the elusive poem's discovery, a story is revealed of entangled loves and a brutal crime that destroy his assumptions about people he thought he knew intimately well.

What We Can Know is a masterpiece, a fictional tour de force, a love story about both people and the words they leave behind, a literary detective story which reclaims the present from our sense of looming catastrophe and imagines a future world where all is not quite lost.

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Paperback

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Paperback
Jun 2026 Vintage

Hardcover

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Hardcover
First Edition Sep 2025 Knopf ISBN 0593804724
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Hardcover
Sep 2025 Knopf

eBook

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eBook
Sep 2025 Knopf ISBN 0593804732
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eBook
Sep 2025 -- Not Selected ISBN B0DTNXFRKR
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eBook
Sep 2025 Vintage ISBN 1529959217
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Audio

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Audible
Sep 2025 -- Not Selected ISBN B0DWFWGVTD
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Large Print

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Trade Paperback
Sep 2025 Diversified Publishing ISBN B0DWDWB9C3
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