A powerful new novel about grief and mourning from the acclaimed and prize-winning author of The Old Drift

A BARACK OBAMA BOOK OF THE YEAR and NEW YORK TIMES BOOK OF THE YEAR

I don't want to tell you what happened. I want to tell you how it felt.

Cassandra is twelve; her little brother Wayne is seven. One day, when they're alone together, there's an accident and Wayne is lost forever. Though his body is never recovered, their mother can't stop searching.

As Cassandra grows older, she sees her brother everywhere: in cafes, aeroplane aisles, subway cars. But it can't be, of course. Or can it? And then one day, there's another accident, and she meets a man both mysterious and familiar, a man who shares her brother's name and who is also searching for someone...