Supermouse #20

This issue contains two stories. "The Big Cheese" features Supermouse traveling to Ireland to confront leprechauns who are threatening to steal gold, leading to a confrontation where the creatures attempt to take the treasure from Supermouse. "Careless Chipmunk," by Marty Arnold, tells of a thoughtless chipmunk named Clarence who causes a forest fire through carelessness while playing hide-and-seek, resulting in the destruction of his neighbors' homes and teaching him the serious consequences of recklessness. Additionally, a Supermouse baseball story appears in which the hero investigates mysterious interference with a baseball game, discovering a moving shadow on the field and ultimately apprehending a crook responsible for the disruptions.