Ian Rankin

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 …

John Rebus has to face up to the most savage and senseless crime imaginable, one in which all his knowledge of human motivation is rendered useless and one that will take him to the heart of human darkness.

Watchman is a 1988 novel written by Ian Rankin, and is one of the author's earliest works. Originally published in 1988, it was reissued with a new introduction by Rankin in 2004.