"Moldy mozzarella! It was only a few days before Halloween when all of the pumpkins in New Mouse City disappeared. A thief was on the loose, and there was only one person I could count on to help me solve this peculiar mystery--my detective friend Hercule Poirat. But would we be able to figure out what was going on in time to save Halloween?" -- p. [4] of cover.

When Stilton cheese begins disappearing during Geronimo Stilton's trip to England he investigates to find the cheese thief.

When his nephew invites him to Career Day at school, Geronimo causes havoc. How's he going to get himself out of this mess?

I have never been a brave mouse, but lately, my fears were taking over my life! So Thea and Trap decided to cure me by dragging me all the way to the jungle, where I was forced to eat bug soup, swim in raging rivers, and even wrangle snakes! How would a 'fraidy mouse like me ever survive?

Geronimo Stilton recounts his trip to Niagara Falls when he accompanies some young mice there as part of a school field trip.

Geronimo Stilton visits Australia where he has an adventurous time dodging sharks and snakes, and getting lost in the Outback.

When a ski trip lands Geronimo Stilton in the hospital, he was sure it was going to be the worst Christmas ever. But his family and friends had something else in mind.

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

Enter the world of Gerónimo Stilton, where another funny adventure is always right around the corner.