Asked by a Bollywood star for help protecting a valuable ruby, Geronimo Stilton and Hercule Poirat are inadvertently cast in the actress's film in spite of limited acting skills and are horrified when an anonymous thief makes off with the ruby.

While vacationing at Skull Castle, Geronimo encounters a ghost cat that is threatening the special pumpkins that grow in the Von Cacklefurs' garden, and it's up to him to find out who wants to steal the pumpkins.

Geronimo Stilton recounts his trip to Niagara Falls when he accompanies some young mice there as part of a school field trip.

Geronimo Stilton and his cousin are captured by a ship of pirate cats. Can they escape or will they become the cats' dinner?

Determined to earn a mouseking helmet, Geronimo Stiltonord undergoes special training conducted by Miceking chief Sven the Shouter.

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.Holey cheese, what an adventure! I was off to the Ratlápagos Islands with my family in search of a long-lost buried treasure. But oh, how I hate traveling! Being on a ship in the middle of the sea wasn't my idea of a fabumouse time. And I was beginning...

"Creepella is about to interview the famouse Hector Spector, who has come to Mysterious Valley with his Galloping Ghost Circus. But before she can, she has a mystery on her paws--someone is playing tricks and making messes all over Cacklefur Castle! Can she put a stop to these ghastly gags?"--P. [4] of cover.

"I invited my friend Petunia Pretty Paws to visit the Bay of Whales with me. But our trip got off on the wrong paw, and my relaxing vacation turned into a real nightmare. That is, until Petunia and I came across a great white whale that needed our help" (publisher).

"Thea Stilton and the Thea Sisters are needed to help Aquamarina, the magical land of the ocean! The enchanted Music of the Sea has stopped playing, and no one knows why. If it doesn't return soon, the realm will perish! The mouselets and their friend Will Mystery travel to the underwater world to find the magical music. On their mission, they swim through dangerous waters, encounter strange and fantastical creatures, and even reveal an ancient mystery....

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. Geronimo...