Gold Key · May, 1963
1st Appearance of Mekman; Origin of Mekman; Versus Mekman
Educ: Keys of Knowledge: Trees #7: Palms; Operation Disguise; The World of Robots… Today! (text); Space Derelict; Educ: Keys of Knowledge: Trees #8: Cedar
Writers: Russ Manning, Robert Schaefer, Eric Freiwald
Artists: Russ Manning, Jack Sparling