The huge bestseller from the author of Then She Was Gone and The GirlsA stranger in the house can only mean troubleThe London family is in crisis. Newly-divorced Tony is fantasizing about someone he shouldn't. Prize-winning writer Sean has a hot new girlfriend, and a dose of writer's block. Their brother Ned has just come back from Australia, leaving his girlfriend behind. And now they have a new lodger - a mysterious stranger.But is he the friend this family needs, or a troublemaker they could do without?'Terrific stuff: touching, funny and sentient' Sunday Times'Funny and emotionally satisfying' The Times'A heart-warming page-turner from start to finish' Heat