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

Geronimo Stilton gets caught up in the World Karate Championships, thanks to the efforts of Bruce Hyena and Piccolo Tao, Bruce's super-sporty cousin. Geronimo only has a week to become real champion material! Will Geronimo manage to overcome his fears in order to win the competition?

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