In this issue: A diagram of the secret Challengers Cave. "The Super Powers of the Challengers." A trio of Challengers battle a gang of bad guys, both groups using mechanical devices of their own design. Script by France Herron, art by Bob Brown. "The Spy in Challenger Cave." To learn the secret of the Challengers' Project M-E, Multi-Man smuggles a robot insect into Challenger Mountain. Script by Arnold Drake, art by Bob Brown. Cover by Brown. Cover price $0.12.