Girl Unknown: The unputdownable SUNDAY TIMES BESTSELLER with a heart stopping twist …

‘Families don’t just come apart because a thread has loosened. The break when it comes is sharp, brutal. It takes ripping and hacking to sever those ties.’

When Zoe Barry walks into Professor David Connolly’s office and announces that she is his daughter, he is left reeling. Suddenly his family - imperfect, flawed, but working - is trying to find space for someone new.

But Zoe’s stories don’t quite add up and lies become indistinguishable from truths. The family struggle to make sense of whether she is a sister, a daughter, a friend, an enemy. But no one could have expected where it all might end.

Because they have let into their home a girl that they do not know. And now everything they have built has begun to violently, determinedly, break apart.