The sisters enter a magical kingdom known as the Land of Clouds and head for the Cloud Castle as they seek allies in their quest to determine why the clouds have been vanishing.

Geronimo has been spending so much money lately, he has none left in the bank. Even worse, his grandfather finds out and sends Geronimo to Moldy Manor to learn about saving from Uncle Stingysnout.

All the pumpkins in New Mouse City have disappeared, someone wants to stop Halloween. Can Geronimo and his friend Hercule Poirat solve the mystery?

The MouseStar 1 is contacted by strange aliens whose ship has broken down. Geronimo Stiltonix is happy to help them out and even accompanies them to their home planet Flurkon. But during his visit, the alien queen becomes enchanted by Geronimo -- and wants to marry him.

Geronimo Stilton is a captain of the spaceship MouseStar 1. He visits distant planets and meets crazy aliens.

With the help of Professor Paws Von Volt's new time machine Geronimo is whisked away on another adventure through time.

Geronimo must solve the mystery of the cheese that is making everyone sick.

Geronimo Stilton must save the future of movies by protecting the past.

When Geronimo gets signed up for the Mouse Island Marathon by mistake, his friends and family do everything they can to make sure he finishes.

"The phantom of the subway: When my sister Thea told me a ghost was haunting New Mouse City's subway tunnels, I had to get the scoop! So I set off with Thea, Trap, and my assistant editor Pinky Pick. But we were all in for the fright of our wee mouse lives ... because the ghost turned out to be a CAT! The temple of the ruby of fire: It was my most thrilling adventure yet! My old friend Professor von Volt had discovered the location of the famous Ruby...