New York: The M. S. Mill Co., and William Morrow & Company, 1952. Octavo, boards. First edition. Lt. Ryan of homicide, a character in the author's first novel solves crime. The author's second mystery. Ernst was a long time writer for pulp magazines, including Amazing, Astounding and Weird Tales. He is best known for writing The Avenger pulp series using the Kenneth Robeson pseudonym. [Reference: Hubin, p. 268].