Geronimo Stilton, Secret Agent

Geronimo's in danger! At least, that's what secret agent Kornelius von Kickpaw thinks. Geronimo isn't convinced. Besides, he's got other problems to worry about - he's lost the deed of ownership to The Rodent's Gazette! Can Geronimo track it down before his nemesis, Sally Ratmousen, gets her paws on his beloved newspaper?