An instant New York Times best seller!

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"No-one does suburban paranoia like Shari Lapena - this slowly unfurling nightmare will have you biting your nails until the end." (Ruth Ware, number-one New York Times best-selling author of The Woman in Cabin 10)

The new domestic suspense novel from New York Times best-selling author of The Couple Next Door, A Stranger in the House, and An Unwanted Guest, Shari Lapena

Maybe you don't know your neighbors as well as you thought you did....

"This is a very difficult letter to write. I hope you will not hate us too much.... My son broke into your home recently while you were out."

In a quiet, leafy suburb in upstate New York, a teenager has been sneaking into houses - and into the owners' computers as well - learning their secrets, and maybe sharing some of them, too.

Who is he, and what might he have uncovered? After two anonymous letters are received, whispers start to circulate, and suspicion mounts. And when a woman down the street is found murdered, the tension reaches the breaking point. Who killed her? Who knows more than they're telling? And how far will all these very nice people go to protect their own secrets?

In this neighborhood, it's not just the husbands and wives who play games. Here, everyone in the family has something to hide....

You never really know what people are capable of.