Tooth and Nail (Inspector John Rebus Series #3)

The New York Times calls Ian Rankin's Inspector Rebus books "A superior series," and Tooth and Nail is another outstanding entry.

Scottish homicide detective John Rebus has been sent from "North of the Border" to help London police catch a serial killer with a gruesome M.O. Teamed with a London cop he wants to trust but can't, Rebus lets a beautiful psychologist into the case develops a bizarre portrait of a killer who leaves bite marks and tears on each victim's body. Now it's only a question of who is going to get busted first: the cop with the accent who breaks all the rules--or the psycho painting London with blood...