Max and Morris are pretending to be superheroes. Ruby and Louise are making a papier mâché mobile of the earth, sun and moon. When the earth is in danger of being destroyed, the superheroes fly to the rescue.
Cover title "Originating author: Rosemary Wells"--T.p. verso Adapted from an episode of the television program Max & Ruby "Key Porter Kids"--P. [4] of cover LSC 5.99
