The best-selling mouse author Geronimo Stilton is back with another cheesy adventure!Halloween is a few days away when all of the pumpkins in New Mouse City disappear! There's a thief on the loose, and the thief wants to stop Halloween. At the same time, all of the mice in New Mouse City receive an invitation for a free trip to the brand new Mystery Mouse Theme Park. Geronimo knows something strange is going on, but will he and his detective friend Hercule Poirat be able to solve the mystery in time to save Halloween?

Geronimo Stilton teams up with Hercule Poirat to determine the identity of the thief who has stolen all the pumpkins in New Mouse City just days before Halloween.

More than 18 million Geronimo Stilton books in print!Finally, I was about to leave for a relaxing vacation all by myself. I was ready to kick back and connect with nature. But somehow, my peaceful trip turned into a crazy treasure hunt in the beautiful Black Hills of South Dakota with the entire Stilton clan in tow! Our journey even included a hot-air balloon ride to Mount Rushmore. Holey cheese! This was one adventure I'd truly remember.

Tuslaarai! Tuslaarai! That’s Mongolian for “Help!” and holey cheese did I need some! I was lost in the Gobi Desert, looking for a hidden treasure. So far, all I had found were sandstorms, camels, and giant dinosaur bones? Rat-munching rattlesnakes – how do I get myself into these situations?

The Baby-sitters have always wanted to be sophisticated New Yorkers like Stacey. Well, now here's their chance: Stacey has invited them all to the city for a vacation.

Geronimo Stilton accompanies his brave friend Bruce Hyena on a series of adventures designed to toughen Geronimo up, despite Geronimo's fears.

After being enrolled in the Song Festival, Geronimo Stilton's song, "Welcome to New Mouse City," goes to the top of the charts and makes Geronimo a star, but very few CDs are sold after the festival. Will Geronimo and his detective friend, Hercule Po