Geronimo Stilton 10 Book Collection (Series 4) Box Set (Valen | Geronimo Stilton
Author Geronimo Stilton. With a little help from his friends, old and new, its up to Geronimo Stilton to ride to the rescue. What does this have to do with Geronimo Stilton?. Not much until Secret Agent 00K asks him to solve the mystery.