Featured Stories:
Speed Saunders: "The Grogan Case"
Inspector Kent of Scotland Yard: "The Invisibility Formula"
Larry Steele: "The Island of Wanatoba (Part 1 of 2)"
Bart Regan, Spy: "Mirror of Doom"
The Insidious Dr. Fu Manchu (Part 3 of 12)
Bruce Nelson: "The Coolie Smugglers (Part 3 of 3)"
Cosmo, the Phantom of Disguise: "The Air Pirates and the S.S. Almoa"
Steve Malone: "Luigi Ferrini Strikes"
Slam Bradley: "In Africa"
