What We Can Know

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. 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 sc