Geronimo tries to enjoy his seaside vacation even though his hotel is dilapidated.

Geronimo travels to Ratzikistan to help his grandfather write a guide book about this remote area.

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

When he hears reports of a ghost haunting New Mouse City's subway tunnels, Geronimo sets out to investigate the story.

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 silv

Bruce Hyena convinces Geronimo to join him in climbing Mount Kilimanjaro, a task for which the mouse journalist is completely unprepared.

While working as a reporter during her summer vacation in 1935, Kit uncovers a mystery at the Cincinnati Zoo involving suspected break-ins at the monkey house.

Geronimo sends valentines to all his friends but seems destined to spend the day alone.

When Bruce Hyena and his cousin, Shorty Tao, enter Geronimo in the Karate World Championship, he has only one week to get into shape and learn karate.

When Geronimo's sister, Thea, discovers an old, mysterious map showing a secret treasure hidden on a faraway island, the gang of the Rodent's gazette is dragged into a treasure hunt.