Amy Roecastle is beautiful. Selfish. And missing.Vanished without a trace in the middle of the night, she's taken her ferocious dog - and something else, too. Something deadly.Amy's best friend is lying to Inspector Singh, who has no leads and no idea.Cue Garvie Smith. Teenage slacker. Undeniable crime-solving genius.Garvie's one step ahead of the investigation. But there's nothing simple where Amy is involved. And this time Garvie's about to find himself in way over his head.

Simon Mason is an author of children's and adult books. His first adult novel won the Betty Trask first novel award, and his YA novel Moon Pie was shortlisted for the Guardian Children's Fiction prize. Running Girl was shortlisted for the Costa Children's Book Award; Kid Got Shot won CrimeFest's Best YA Crime Novel Award in 2017. Simon lives in Oxford with his wife and their two children.