Issue: #25
Last valuation update: 2026-06-24
Contains: The Prisoners of Mechanical Island Dr Floogle The Man Who Mastered Matter Man into Frog (from Sensation Comics #107)Peter Puptent, Explorer Interplanetary Puzzle (a text story)The Secret of the Sea Monsters
Creators: Sheldon Moldoff, Will Ely, Bernard Baily, Mort Drucker, Ira Schnapp, Henry Boltinoff, Dick Dillin, Jack Schiff
Characters: Mark Merlin, Peter Puptent, Dr. Floogle, Elsa