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Mouse in Space is the fifty-second book in the Geronimo Stilton stories. In this story Geronimo goes to Outer Space.


New Mouse City was in danger! An evil professor was threatning us all with his terrible inventions.The authorities called upon me to thwart his plans by travelling on a top secret mission-to outer space! I was totally unprepared to go. But,moldy mozzarella,my trip was out of this world!

Characters and PlacesEdit

Geronimo Stilton

Geronimo house, Space and M.I.S.S.O base


This is the first time Geronimo goes outer space

It was first printed January 2013