Geronimo Stilton, Secret Agent is perfect for children who love mystery stories. This book takes the reader into a world of adventure where the main character is tasked with solving a case related to Slimy Swiss balls. Readers will love the lively and colorful illustrations that make this book invaluable.

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Enter the world of Geronimo Stilton, where another funny adventure is always right around the corner. Each book is a fast-paced adventure with lively art and a unique format kids 7-10 will love.

My sister, Thea, is the mystery-loving rodent, not me! But somehow I found myself going undercover to get to the bottom of a case. Slimy Swiss balls -- I hardly knew where to start! Geronimo Stilton, Secret Agent Mouse? Maybe I could get used to that. . . .

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