Ziff-Davis · September, 1939
Vol. 1 #3
Horror Out of Carthage; Golden Girl of Kalendar; The Amazing Invention of Wilberforce Weems; City Under the Sea; The Man Who Saw Too Late; The Insect Invasion
Writers: Edmond Hamilton, F. Orlin Tremaine, Nelson S. Bond, Nat Schachner, Eando Binder, Frederic Arnold Kummer Jr