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?

When all the pumpkins in New Mouse City disappear days before Halloween, Geronimo and his detective friend Hercule Poirat investigate, as all the mice in the city receive invitations to a mysterious party.

While the Thea sisters explore Kyoto during a cultural exchange program, a valuable item is stolen from their friend Kumi's family, and the five mice must catch the thief.

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. Cheesecake! A mysterious one-eyed rat was trying to steal The Rodent's Gazette from under my snout! I had to stop him -- but how? My business manager, Shif T. Paws, came up with a plan. He arranged for me to appear on a TV quiz show. If I won, the Gazette was safe. But if I lost -- SQUEAK! -- I had to give up my tail!

The Thea Sisters are in for a great adventure when they are invited by a professor at Mouseford Academy on a trip to the Moon.

When you're with Geronimo Stilton, it's always a fabumouse adventure!