How do we continue living once we have lost our reason to live? Rami and Bassam live in the city of Jerusalem - but exist worlds apart, divided by an age-old conflict.

And yet they have one thing in common. Both are fathers; both are fathers of daughters - and both daughters are now lost. When Rami and Bassam meet, and tell one another the story of their grief, the most unexpected thing of all happens: they become best of friends.

And their stories become one story, a story with the power to heal - and the power to change the world. 'The book goes anywhere and everywhere. It is a delirious and thrilling improvisation, a jazz solo spun out of that meeting ...