From back cover: A San Diego comic book convention tuns into a real blast when guest speaker Barry Johns, legendary publisher of Zenith Comics, is kidnapped. But the Hardys can hardly believe their eyes. Johns is abducted by two characters straight off the illustrated page -- the Human Dreadnought and Flame Fiend!

Frank and Joe's investigation leads them into a confrontation with a rogue's gallery of comic book villains come to life, each armed with sinister, super-sophisticated powers. But the boys are determined to have the last laugh by unmasking the criminal mastermind behind the crazy comic book caper.