From multi-million-copy number one bestseller Mark Billingham comes a twisting, unbearably gripping DI Tom Thorne and Nicola Tanner thriller inspired by a dramatic real-life case.
How do you catch a killer who is yet to kill?
We all know the signs. Cruelty, lack of empathy, the killing of animals. Now, pets on suburban London streets are being stalked by a shadow, and it could just be the start.
DI Tom Thorne knows the psychological profile of such offenders all too well, so when he is tasked…