In her eerie and hair-raising thriller Skin, Mo Hayder trails her two unforgettable protagonists as they race to staunch a rising tide of blood in a sweltering port town. When the decomposing body of a young woman is found, the wounds on her wrists suggest an open-and-shut case of suicide. But Jack Caffery is not so sure. Other apparent suicides are cropping up, and they all have a connection to Elf's Grotto, a nearly bottomless network of flooded...