New from Walker/Canongate: an uncompromising debut about the trials of growing up and the dark histories we all harbor. Guernsey, 1985. When fifteen-year-old Catherine sees her best friend fall from a wild cliff path, she vows never to tell.

But Catherine was the last person to see her alive. 1940. Charlie is also holding back a secret from the adults on the island.

As German soldiers arrive on Guernsey, he carries out an act of rebellion with consequences that will reach far into the future - and into Catherine's own life.

The Book of Lies is a powerful novel about friendship and betrayal.

Weaving together two lives across the decades, it proves that no truth is as simple as it seems.