Mystery of the Dead Police Author:Philip MacDonald There was a madman loose in the streets of Farnley. He killed and vanished, then came back to kill again. Each time his victim was a policeman-and each time he escaped without leaving a clue. Every patrolman on the street alone at night wondered, "Will I be next?" — First published as X v. Rex (1933), under the pseudonym Martin... more » Porlock.« less