First Edition stated. Jean Carlu dustjacket art. Uncommon Coles title, the third Tommy Hambledon. World War Two set mystery novel. "The case of the sinking ships turned into the case of the murdered MacGregor, and Mr. Hambledon of the Intelligence functioned as a police officer as well as a government agent". Near Fine in Very Good dustjacket, light dampstain visible at verso of lower spine, top spine end rubbed and nicked.