Torment of others, paperback/val mcdermid

The Number One bestselling crime series featuring Tony Hill, hero of TVs Wire in the Blood, written by the award-winning Val McDermid.

This is a psychological thriller - and serial killer - that will keep you up at night.

For some, there is nothing so sweet, so thrilling, as the torment of others .

A dead girl lies on a blood-soaked mattress, her limbs spread in a parody of ecstasy.

The scene matches a series of murders which ended when irrefutable forensic evidence secured the conviction of one Derek Tyler.

But Tylers been locked up in a mental institution for two years, barely speaking a word - except to say that the Voice told him to do it.

Top criminal psychologist Dr Tony Hill is prepared to think the unthinkable - this is not a copycat murder but something much stranger.

While DCI Carol Jordan and her team mount a desperate and dangerous undercover police operation to trap the murderer, Hill heads towards a terrifying face-off with one of the most perverse killers he has ever encountered.