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's relaxing solo vacation in the Black Hills of South Dakota turns into a crazy treasure hunt, with the entire Stilton clan in tow.

Fairies, dragons, wizards, and more await Geronimo on every magical Kingdom of Fantasy adventure! For the first time ever the magic of the Kingdom of Fantasy reaches the streets of New Mouse City!

In this funny chapter book from the bestselling middle grade adventure series, a world traveling journalist mouse climbs Mount Kilimanjaro. Rat-munching rattlesnakes! I can’t believe it. I, Geronimo Stilton, just let my super-sporty friend Bruce Hyena convince me to go on another one of his extreme adventures. You know me—I just can’t say no to a friend! This time, we’re going to be climbing to the top of the famouse Mount Kilimanjaro in Africa. Moldy mozzarella! I’m in no shape for a mountain climb. How will I ever make it to the top? Praise for Geronimo Stilton’s books: “Lightning pace and full-color design will hook kids in a flash.” —Publishers Weekly

In faraway Japan, Geronimo Stilton gets caught up in the World Karate Championships.

Each Geronimo Stilton book is fast-paced, with lively full-color art and a unique format kids 7-10 will love. Rancid rat hairs, the cat pirates are coming to town! They're planning on stealing New Mouse City's Statue of Liberty and taking it back to Cat Island. They think it's completely made of gold! My friends and I are determined to protect our city's precious symbol. But can we stop these fearsome felines?

Accepting an ugly crystal figurine from Petunia Pretty Paws, Geronimo Stilton discovers a mysterious message inside the figurine from a Venetian mouse who requires assistance.