Shortlisted for the Costa Children's Book Award 2018. "This clever novel explores how unacceptable attitudes can take hold, which makes it timely as well as tense." --The Sunday Times "A thought-provoking and incredibly page-turning debut." --The Irish Times
A teenage spy. A Nazi boarding school. The performance of a lifetime.
Sarah has played many roles - but now she faces her most challenging of all. Because there's only one way for a Jewish orphan spy to survive at a school for the Nazi elite. And that's to become a monster like them.
They think she is just a little girl. But she is the weapon they never saw coming... with a mission to destroy them all.