*Pre-order the gripping new psychological thriller from the Sunday Times bestselling author of Girl Unknown*The last person you need to protect your daughter from is her closest friend...isn't it?***Abi Holland considers herself lucky. She's happily married, and her oldest daughter, Eva, is all set for a place at a top university. It's her lonely, younger child, Beth, that she worries about.

So when foreign exchange student Corinne comes to stay, it's a relief her daughter finally has someone to talk to. But when Beth starts to misbehave, Abi begins to wonder how much they really know about their guest. Because the Holland family have lots of secrets, and Corinne is quietly listening to them all.

And once they come out, there's no going back... 'A brilliant, compelling thriller' Liz Nugent'A really disturbing tale...Assured storytelling and neat twists' Daily MailPraise for Karen Perry'Slick, engrossing, twisted and addictive. Domestic crime drama at its best.

Highly recommended' Jo Spain'Truly remarkable...Grips your heart from the first pages and simply never lets go' Jeffery Deaver'If you're a fan of menacing psychological thrillers that chill to the bone, this book is for you' Sunday Times