"Tiger" they called him, for no better reason than that his surname was Wragge, yet after all there was something feline, despite his limp, in his movements and in the sleekness of his black hair and his clothes. The case which "Tiger" Wragge is called in to investigate in The Hosts of Midian is no mere murder mystery. There is more to it than murder. Who are the Christian Psychocrats? Are they just a "crank" religious organisation -...