From Peter Swanson, author of The Kind Worth Killing and All the Beautiful Lies, comes a novel as brilliant, dark, coruscating and surprising as Patricia Highsmith and Ira Levin at their very best

A Sunday Times and Observer Thriller of the Month

'Deliciously good . . . Swanson's best thriller yet.' Observer

'Gripping, twisty . . . I could not put it down.' Alafair Burke

When Hen and Lloyd move into their new house, they're relieved to meet another childless couple in their neighbourhood, Matthew and Mira.

But when they're invited over for dinner, Hen thinks she sees something suspicious in Matthew's study.

Could this mild-mannered schoolteacher really be hiding a dark secret, one that only Hen might know about? And even if she's right, who would believe her?