Ian Rankin

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.