New York: Dell Publishing Company, (© 1942). 16mo. Wraps. 64 p. Dell Book 19. 1st edition. Some cover wear; else very good. 
Bibliomystery. Included is a copy of "Ellery Queen's Mystery Magazine" containing this story along with an interesting 2-page introduction outlining its history from its original appearance in the "American Magazine" through its filming under the title "Quiet Please, Murder!" but interestingly omitting its publication as a Dell ten center.