This book comes from the winner of the CWA International Dagger 2010 for the Darkest Room. "A compelling and scary psychological thriller". (Sunday Mirror). Who amongst us can really say they're sane? Jan has just started working at the Dell nursery. But this is no normal nursery. It's linked to a high-security asylum by a dimly-lit underground tunnel, which is used for the children to visit their parents. Who are some of the most dangerous psychopaths in the country. And Jan has complicated reasons for being here. There's something he's not telling people about his past. And there's someone in the asylum who he really wants to see...