Geronimo Stilton travels back in time to the ice age, ancient Greece, and Renaissance Italy, where he experiences wild historical adventures. Geronimo Stilton travels back in time to the ice age, ancient Greece, and Renaissance Italy. He encounters woolly mammoths, writes and stars in a play, and even helps put a bad guy in prison! But when the portal started malfunctioning, will Stilton and his family be able to get back to the present day, or would...

"The hunt for the golden book: Geronimo's laptop is stolen just as he's finishing up writing a special book! Can he and his friends hunt it down in time for his tenth-anniversary party?"--Dust jacket. "The lake monster: Can Geronimo figure out this creature's secret?"--Dust jacket.

Geronimo Stilton meets outer space in this cosmically fun spin-off series! Geronimo Stiltonix and his crew head to the planet Jurassix to warn its inhabitants of a giant comet heading straight toward them! But the creatures there turn out to be ferocious, dinosaur-like beasts ... who like to eat rodents. Squeak! Can the spacemice save these aliens and still make it out alive?

The micekings are in a panic. The village's best cook is ill, and until she recovers, there's no delicious stew to eat! Geronimo Stiltonord departs immediately in search of a cure for her. But on the way, he ends up snout-to-snout with terrifying dragons! Can he make it back with his fur intact?

Geronimo goes to a desert island in search of haunted pirate treasure.

MouseStar 1 is surrounded by floating space junk! It's yucky -- and dangerous. It's coming from a nearby planet, Cleanix. Geronimo Stiltonix goes to visit, and discovers that the aliens there are very wasteful. Even worse, robots that they've thrown in the trash have started to rebel! Can the spacemice restore harmony before the robots take over?

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

While at the beach, Geronimo Stiltonix stumbles upon a mysterious treasure map. The spacemice follow it and end up on Aquarix, a planet that's entirely underwater. During their exploration, they face fur-eating seaweed, ferocious piranha aliens, and...pirate spacecats! Can the spacemice keep the spacecats from stealing the treasure?

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.

It's Halloween on Mouse Island, and it seemed like everyone was out to get me, Geronimo Stilton! My cousin Trap kept pulling scary pranks on me. And then my sister Thea told me I had to write a book about Halloween in less than one day! Before you could say boo, my nephew Benjamin had dragged me to a graveyard to do research. There I met a very spooky mouse who -- yikes! -- tried to lock me up in her coffin! Oh, how would a 'fraidy mouse like me ever...