“THE SECRET OF THE SPACE MONSTER.” President Thaddeus Starr is warned of a space-monster sighting near Ganymede, a moon of Jupiter. Space Ranger thinks things don’t quite add up and decides to investigate. Plus, “THE RIDDLE OF THE LOST RACE.”
William Moulton Marston, Gardner Fox, Jon L. Blummer, John Wentworth, Maxwell Gaines, Bill Finger, Don Cameron, Harry G. Peter, Jon Kozlak, Sheldon Moldoff, Stan Aschmeier & Lou Ferstadt