With all of the taut suspense and terrifying twist, Wolf cements Hayder's place at the top.
Mo Hayder's debut, Birdman, was an international bestseller. Her second novel, The Treatment, also a Sunday Times bestseller, won the 2002 WH Smith Thumping Good Read award. Her third novel, Sunday Times bestseller Tokyo, won the Elle magazine crime fiction prize, and the SNCF Prix Polar. She has also written the bestselling Pig Island, as well as three books in the Walking Man series: Ritual, Skin and Gone.