Night Exercise

Night Exercise is a 1942 detective novel by John Rhode, the pen name of the British writer Cecil Street. It is a stand-alone wartime novel from Rhode, best known for his long-running series featuring Lancelot Priestley. It was published in America by Dodd Mead under the alternative title Dead of the Night.

Synopsis
During a night exercise the widely disliked businessman and Colonel in the Home Guard Sir Hector Chalgrove disappears. Suspicion falls on one of his subordinates Major Ledbury and he assist police in their hunt for he real killer.