Holey cheese, it was strange! All across New Mouse City, rodents kept telling me I'd done things I had no memory of. Was I going crazy? Had the cheese finally slipped off my cracker? No, that wasn't it. I soon discovered the truth: There was a Geronimo lookalike going around, pretending to be me! He'd even fooled my sister Thea. Worst of all, he was trying to take over The Rodent's Gazette! I had to get that greedy impostor's paws off my newspaper--...

Geronimo Stilton's ancient ancestor, Geronimo Stiltonoot, and his family save a young dinosaur from the river. Can Geronimo get him back to his herd before he causes a disaster?

When Geronimo's fears begin taking over his life, Thea and Trap decide to cure him by taking him to the jungle, where he must eat bug soup, swim in raging rivers, and even wrangle snakes.

I was finishing up work one evening when I opened a letter from Uncle Stingysnout. He needed to see me immediately! I headed straight to Penny Pincher Castle for what I thought would be a nice visit...but my uncle put me straight to work. Moldy mozzarella, what a terrible vacation!

When Geromino Stilton and his friends time travel to three different centuries seeking artifacts missing from the mouseum, they meet Alexander the Great, Queen Cleopatra, Francis Drake, and Mozart.

While investigating the mysterious brie-smelling monster roaming around the port of New Mouse City, Geronimo and his friends are derailed from their mission by the dreaded Captain Blackrat, who commandeers their ship.

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

Geronimo investigates to see if the famous painting Mona Mousa holds a secret code.

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

Sometimes a busy businessmouse like me needs a nice, relaxing vacation. But of all the rotten rats' luck -- every time I tried to get away, disaster struck. My aunt Dizzy Fur's mouse hole caught on fire, my office was flooded, and our printing press broke down! When I was finally ready to depart, all the good trips were booked up. I was stuck in a flea-ridden old hotel, sharing a room with a bunch of Gerbil Scouts! I couldn't wait to get back to my...