While attending the Cuckoo Clock Carnival in Germany, the Thea sisters investigate the theft of a famous clock.

When Geronimo agrees to be a caddie for his grandfather in a golf tournament, he and Special Agent OOK team up to prevent the theft of the Super Mouse Cup.

When Geronimo gets lost looking for hidden treasures in the Gobi Desert, he comes across giant dinosaur bones.

Because of his unselfishness, a little mouse has his Christmas wishes fulfilled by Santa.

Geronimo Stilton assists his cousin Trap in the Super Chef Contest.

"A mouse and his wife discover a human family celebrating Christmas, and they decide to create their own Christmas for their young ones"--

In 1887, the social-climbing Cranstons voyage from New York to London, where they hope to find a husband for their awkward older daughter, secretly accompanied by Helena and her mouse siblings, for whom the journey is both terrifying and wondrous as they meet an array of titled humans despite their best efforts at remaining hidden.

Unhappy in his cramped, cold hole, Mortimer Mouse moves into a nativity scene thinking it is the perfect home for him, until he discovers who truly belongs there.

Traveling to Cleanix to investigate why floating space junk has engulfed MouseStar 1, Geronimo finds that the planet's alien inhabitants are extremely wasteful and face the threat of rebellion by the robots they've thrown in the trash.

"New Mouse City was in a panic. A strange epidemic had broken out --mice everywhere were covered in weird blue spots. Mouse Island's most famouse doctor immediately set to work with his team to try to find the cure--but someone was trying to stop him. Could I figure out who before I ended up blue myself?"--Page 4 of cover.