Newspaper editor Geronimo Stilton is invited by his nephew to career day at school, where Geronimo causes a volcanic explosion, releases the classroom's pet gecko, and becomes tangled up in the playground's tunnel slide.

While Geronimo's out with his family celebrating his birthday, he realizes someone's replaced all of his money with counterfeit bills. He and Hercule set out to find the thief

Geronimo Stilton, editor of The Rodent's Gazette, goes on an investigative, underground adventure through New Mouse City to find a missing document.

Geronimo Stilton is entered in the Mouse Island Marathon by his friend Champ Strongpaws who then forces him to train for it.

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.Oh, what a day! I had just published New Mouse City's first phone book -- and almost every single number was wrong! My customers were out for my fur. So when Thea, Trap, and Benjamin asked me to join their quest for a legendary island covered in silver, I agreed....

Geronimo Stilton finds himself in the wild West, where he becomes involved in a showdown with the "wickedest" rat of Cactus City.

Geronimo is taking his Benjamin on a trip to Rome to learn the city's history (and keep him from failing fifth grade), but when they arrive they're immediately pulled into the investigation of the "ghost" of a gladiator that seems to be haunting the Colosseum and scaring tourists away.

Story of how Pinky Pick, the assistant editor, came to work for Geronimo Stilton at the Rodent's Gazette.

"Geronimo and Trap decide to start making organic honey with the help of some beekeepers. When the honey is ready, they face up against the evil Madam No"--Provided by publisher.

When a ski trip lands Geronimo Stilton in the hospital, he was sure it was going to be the worst Christmas ever. But his family and friends had something else in mind.