THE SENSATIONAL NEW PSYCHOLOGICAL THRILLER FROM THE INTERNATIONALLY BESTSELLING AUTHOR OF THE GIRL BEFOREThe kind of book that keeps you up at night My Weekly. Utterly terrifying and compelling Stephanie WrobelJP Delaney is King of Thrillers and Playing Nice is his best book yet Fiona Cummins. There is a precision about Delaneys characters that propels his twisty plots into unexpected and utterly convincing scenarios Daily Mail. Pete Riley answers the door one morning to a parents worst nightmare. On his doorstep is Miles Lambert, who breaks the devastating news that Petes two-year-old, Theo, isnt Petes real son - their babies got mixed up at birth. The two families - Pete, his partner Maddie, and Miles and his wife Lucy - agree that, rather than swap the boys back, theyll try to find a more flexible way to share their childrens lives. But a plan to sue the hospital triggers an investigation that unearths disturbing questions about just what happened the day the babies were switched. And when Theo is thrown out of nursery for hitting other children, Maddie and Pete have to ask themselves: how far do they want this arrangement to go? What secrets lie hidden behind the Lamberts smart front door? How much can they trust the real parents of their child - or even each other?An addictive psychological thriller, perfect for fans of The Silent Patient and Shari Lapenas The Couple Next Door. See what everyone is saying about JP Delaney, the hottest name in psychological thrillers:DAZZLING - Lee ChildADDICTIVE - Daily ExpressDEVASTATING - Daily MailINGENIOUS - New York TimesCOMPULSIVE - Glamour MagazineELEGANT - Peter JamesSEXY - Mail on SundayENTHRALLING - Woman and HomeORIGINAL - The TimesRIVETING - Lisa GardnerCREEPY - HeatSATISFYING - Readers DigestSUPERIOR - The BooksellerMORE THAN A MATCH FOR PAULA HAWKINS - Sunday Times