Geronimo agrees to be part of his friend Bruce Hyena's team for a bicycle race across America, despite the fact that he is not very into sports.

Geronimo joins the effort to rescue Blossom, Queen of the Fairies, who has been kidnapped by the Queen of the Witches and taken to the Kingdom of Nightmares.

It was Christmastime on Mouse Island, and I couldn't wait to celebrate with my friends and family. Until I learned that they were all traveling out of town for the holidays, and I'd be spending Christmas alone! I was depressed, down, despondent, and starting to feel like a real grinch! I wandered the streets of New Mouse City, feeling sorry for myself. But then I discovered an amazing surprised that taught me the true meaning of Christmas.

Geronimo and his crew explore the underwater planet of Aquarix, where they face fur-eating seaweed, ferocious piranha aliens, and pirate spacecats.

"Old Mouse City is in an uproar. The most precious artifact in the mouseum -- the Stone of Fire -- has been stolen! Geronimo Stiltonoot and his cavemouse friend Hercule Poirat are on the case. It's up to them to retrieve the stone from the ferocious Tiger Khan and his band of fearsome felines!"--

"Holey cheese -- my sister, Thea, was in danger! She had traveled to Easter Island in search of a secret treasure, and now she needed my help. There was no time to lose! My friends and I hopped on a plane to begin our search, aided by a map and a mysterious riddle. What an exciting adventure!"--Back cover.

"Geronimo Stiltonoot and The Stone Gazette are in the running for the Stone Age Ratitzer: the award for the best prehistoric journalism! But their main competition is Sally Rockmousen, the ruthless host of Gossip Radio -- and she'll stop at nothing to win. Can Geronimo sniff out a scoop in time to defeat her?"--Back cover.

When Geronimo Stilton and his family retrace the journey of explorer Vasco da Gama, Geronimo investigates who is sabotaging the voyage.

Friends of the spacemice have disappeared on a strange ice planet, Polarix! Geronimo Stiltonix and his crew are called to search for them. When the spacemice arrive on Polarix, they're surprised at the inhabitants -- cute little aliens that look like colorful fuzz balls! But are these creatures as harmless as they look?

"The spacemice have received an invitation to participate in the intergalactic soccerix championship. It's a tournament for the most popular sport in space! But Geronimo doesn't even know how to play Soccerix, let alone lead a team to victory against aliens with bizarre skills (like flying)! Can the spacemice team prevail?"--