The ferociously readable, #1 bestselling crime thriller that led to the much-loved ITV show...
'Wholly satisfying' Ian RankinYoung girls are disappearing nationwide

Dr Tony Hill sets his team a task: find a link between the cases.

Only one officer comes up with a theory, but it's too wild... that is, until one of their number is murdered and mutilated.

Tony has started a game - one where hunter and hunted can all too easily be reversed. He has baited an aggressor whose charming manner hides a warped and sick mind...

When a killer is hiding in plain sight

Who can stop them?

'Truly frightening' The Times

'Sly and sophisticated, weaving the mundane with the stomach-churningly depraved' Express