New York: Experimenter Publishing Company, 1927. Large octavo, single issue, cover by Frank R. Paul, pictorial wrappers. Pulp magazine, bedsheet format. Fiction by Jules Verne, H. G. Wells, Clement Fezandié writing as Henry Hugh Simmons, Miles J. Breuer and others. [Reference: Tymm and Ashley, Science Fiction, Fantasy, and Weird Fiction Magazines, pp. 14-49].