What We Can KnowFrom 2014 to the year 2119, in a world submerged by rising seas, What We Can Know spans the past, present, and future to ask profound questions about who we are and where we are going. A masterpiece and Ian McEwan's finest novel yet. 2014 A great poem is read aloud and never heard again. For generations, people speculate about its message, but no copy has yet been found. 2119 The lowlands of the UK have been submerged by rising seas. Those who survive