Mouseford Academy is celebrating their 600th anniversary and the headmaster and teachers decide to put on a play of the famous Mouseo and Juliet. The Thea Sisters want the role of Juliet but so does their rival, Ruby Flashyfur.

On summer vacation in Scotland, the Thea sisters are intrigued by a tapestry that is really a treasure map supposedly leading to a hidden alabaster garden where an ancient treasure is buried, and the story of Aurora Beatrix Lane, an adventurous explorer mouse--and when the tapestry is stolen they set out to find the treasure using the explorer's diary as a guide.

When they receive a damaged message in a bottle from the Oofa Oofa rodents in the ancient far north, Geronimo Stiltonord and the micekings set sail to Oofadale but are attacked by a band of dragons while on their voyage.

"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 end up snout-to-snout with terrifying dragons! Can he make it back with his fur intact?"--Back cover.

Determined to earn a mouseking helmet, Geronimo Stiltonord undergoes special training conducted by Miceking chief Sven the Shouter.

Trap and Geronimo team up in an attempt to win a race to Boulder Bay and back, a race that supplies the village cheese maker with rare hot lava peppers, and comes with a large cash prize.

The Thea Sisters are summoned to the Seven Roses Unit by Will Mystery, but when they get there Will is missing; the sisters follow a trail of clues to the Fantasy Kingdoms, and find out that the Mayhem Mirror has been disturbed, and a terrible curse is about to be unleashed on the Fantasy Kingdoms, and it will be up to them to find the eight Harmonies which can break the curse and save the Kingdoms.

With a garbage thief on the loose in New Mouse City who is stealing organic waste, Hercule and Geronimo enlist the head of the Recycling Center to help, then discover that the thief has good intentions.

Space mouse Geronimo Stiltonix and his crew must save their friends who are stranded on the ice planet Polarix, home to colorful fuzz ball-shaped aliens who are not as harmless as they look.

Geronimo Stilton's ancient ancestor Geronimo Stiltonoot is back in another prehistoric adventure. Geronimo Stiltonoot and his family are off to find a cure for Grandma Ratrock's aches and pains. She's heard that a remedy hides in a legendary valley, and Geronimo isn't even sure it exists. Little does he know that getting there will be an adventure among geysers, volcanoes, and rivers of molten lava.