Ziff-Davis · July, 1939
Vol. 1 #2
The Scientists Revolt; The Golden Amazon; The Monster From Nowhere; Intrigue In Lemuria; She Walked Alone; Invaders From Sirius
Writers: Edgar Rice Burroughs, Thornton Ayre, Nelson S. Bond, Frederic Arnold Kummer Jr, John Russell Fearn, Ed Earl Repp
Artists: Julian Krupa, Robert Fuqua, Leo Morey, Jay Jackson, Kenneth J. Reeve