New York, NY: Street & Smith Publications, Inc., 1941. Octavo, single issue, cover by Graves Gladney, pictorial wrappers. Pulp magazine. "The House on the Ledge" by Maxwell Grant. This is the Tenth Anniversary issue. [Reference: Cook, Mystery, Detective and Espionage Magazines, pp. 486-491. Tymm and Ashley, Science Fiction, Fantasy, and Weird Fiction Magazines, pp. 570-573].