This dark and disturbing, edge-of-your-seat thriller from bestselling and prize-winning author Mo Hayder is perfect for fans of Stephen King, Stuart MacBride and Karin Slaughter. Full of twists and turns, it's an unmissable, engrossing read...

'Hayder has a profound ability to shock and surprise her readers. She is the bravest writer I know' -- Karin Slaughter
'Warped ... bloodthirsty ... No matter how much you despise yourself for getting sucked into such places, Hayder is brilliant at making you read on' -- Daily Telegraph
'A story I found hard to put down.' -- ***** Reader review
'Gripping to the very end' -- ***** Reader review
'My night-time reading - so good it's a wonder l go to sleep at all!' -- ***** Reader review
'A proper page-turning thriller' -- ***** Reader review

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YOU'VE GOT SOMETHING THIS KILLER WANTS...

When the decomposed body of a young woman is found near railway tracks just outside Bristol one morning, everything points to suicide. That's how the police want it too: all neatly squared and tidied away.

But DI Jack Caffery is not so sure. He is on the trail of someone predatory - someone who hides in the shadows. And for the first time in a very long time, he feels scared.

Police Diver Flea Marley is working alongside Caffery. With the traumas of her past safely behind her, she's beginning to wonder whether their relationship could go beyond the professional. But then she finds something that changes everything.

Not only is it far too close to home for comfort - it's so horrifying that she knows that nothing will ever be the same again.

And this time, no one - not even Caffery - can help her ...