What We Can Know

In a world submerged by rising seas, can the secrets of the past be discovered? The breathtaking Sunday Times bestseller.

'Full of wisdom and heart. I loved it' Elif Shafak
'A gripping page-turner' Observer
'It gave me so much pleasure' New York Times

2014: A great poem is read aloud and never heard again. For generations, people speculate about its message.

2119: With the UK's lowlands submerged by rising seas, those who survive are haunted by all that has been lost.

Tom Metcalfe, a university scholar, pores over the archives of the early twenty-first century. When he stumbles across a clue that may lead to the lost poem, he reveals a story of entangled love and a brutal crime that challenges everything he thought he knew about the past.