Chicago: Ziff-Davis Publishing Company, 1941. Octavo, single issue, cover by J. Allen St. John, pictorial wrappers. Pulp magazine. Fiction by Don Wilcox, Otto Binder writing as "Eando Binder" (an Adam Link story), William P. McGivern and William P. McGivern writing as "P. F. Costello," Robert Moore Williams, and others. [Reference: Tymm and Ashley, Science Fiction, Fantasy, and Weird Fiction Magazines, pp. 14-49].