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Geronimo Stilton / Thea Stilton


Geronimo Stilton / Thea Stilton

What series is hotter than boiling cheese fondue, smoother than a cheddar cheesecake, and more delicious than a mozzarella milkshake? The Geronimo Stilton adventures, of course! 

As you might expect from a series starring a mouse, these books are full of the cheesiest puns ever! To add to the fun, each book is fully illustrated with funny drawings, colorfully expressive fonts, maps, character lists and pictures --- and much more. 

Geronimo is the editor of New Mouse City's newspaper, The Rodent's Gazette. He is a mouse who loves the comforts of home and hates to travel, yet he finds himself journeying off on adventures with his thrill-seeking sister Thea, his jokester cousin Trap, and his favorite nephew Benjamin. Geronimo becomes a bestselling author by writing down his adventures in these books!

Official Website (Educator Materials available)

Geronimo Stilton / Thea Stilton

Books in this series

by Geronimo Stilton

Geronimo Stilton is a mouse and the editor of the newspaper The Rodent's Gazette. Beginning his adventures, Geronimo's sister Thea invites him on a treasure hunt. Well, who can resist that? Certainly not Geronimo, who joins Thea and their cousin Trap on a sea voyage to the island on the treasure map. 

by Geronimo Stilton

Geronimo falls in love with the gorgeous young countess Stephanie von Sugarfur, but she won't give him the time of day. He's so befuddled by romance that his family worries about him. They trick him into heading off to Butterfly Island to search for the legendary Valley of the Cheesettes --- the Eighth Wonder of the World! Geronimo is not an adventurous type --- he suffers all kinds of motion sickness! He hates flying, riding on boats, marching, camping, and everything else he'll have to endure in this story. Will he survive the journey? Will this adventure make any difference in his love life?

by Thea Stilton

Thea Stilton --- Geronimo’s sister --- and her friends are heading to Australia to solve a mystery. A flock of sheep at Nicky’s family’s ranch is losing all its wool, and the ranch depends on the wool to stay afloat! The five girls set off on an outback adventure across the country to find the sheep’s cure. Reviewed by Terry Miller Shannon.

by Geronimo Stilton - Children's, Fiction, Mystery

When Geronimo’s friend, Petunia Pretty Paws, gives him a crystal figurine of a boat as a gift, he has to accept it. After all, he has the biggest crush on Petunia. But the figurine is so ugly. So Geronimo isn't too sad when his cousin Trap accidentally breaks it, especially when Geronimo discovers a piece of paper inside with a mysterious message from someone in Venice, Italy, asking for help.

by Geronimo Stilton - Adventure, Children's, Fiction, Mystery

Geronimo Stilton and Wild Willie travel to Japan in search of an ancient, legendary samurai scroll that holds the secret to a long-lost fighting technique. The scroll had fallen into the wrong hands, and it's up to them to track it down and save the day. But first, they have to fight a group of talented ninjas.

by Thea Stilton - Adventure, Children's, Fiction, Mystery

When the Thea Sisters' good friend Bridget has to return to Scotland to help her family repair their ancient castle, the five mice offer to help their friend in whatever way they can. Little do they know that Bridget will be kidnapped, and they'll have to rush to Scotland to help find her.

by Geronimo Stilton - Adventure, Fiction, Mystery

Geronimo Stilton and his good friend, Hercule Poirat, are called to investigate mysterious events in the famouse Grand Hotel in New Mouse City. Supposedly there is a ghost haunting the hotel; it's wearing armor, carrying a ball and chain, and scaring guests. Will Geronimo and Poirat be able to solve this spine-tingling mystery?

by Thea Stilton - Children's, Fiction

When the Thea Sisters' friend Ashvin is in trouble, they rush to his aid . . . in India! Ashvin has been bringing the monkeys that live in the big city back to their natural jungle environment. But the monkeys have suddenly started stealing jewels! Someone must be behind this terrible theft. Can the Thea Sisters solve the mystery?

by Geronimo Stilton - Children's, Fiction

One day, my friends and I, Geronimo Stilton, made an amazing discovery. We found a huge oyster -- with an enormouse pearl inside! I was so excited about this extremely rare, precious pearl that I wrote a special feature about it in The Rodent's Gazette. That article attracted lots of attention -- both good and bad! The enormouse pearl was in danger of being stolen. Would my friends and I be able to protect it?

by Geronimo Stilton - Children's 7 - 10, Adventure

New Mouse City was in danger! An evil professor was threatening us all with his terrible inventions. The authorities called upon me, Geronimo Stilton, to thwart his plans by traveling on a top secret mission --- to outer space! I was totally unprepared to go. But moldy mozzarella, my trip was out of this world!

by Geronimo Stilton - Children's 7 - 10, Adventure

I, Geronimo Stilton, was off to the wildest part of Brazil --- the Amazon jungle! I ended up on a hunt for an rare crystal treasure, which was stolen from a native tribe in the heart of the forest. I'd encounter alligators, snakes, piranhas, and other dangers on my way. Holey cheese! What an adventure!

by Geronimo Stilton - Fiction

I, Geronimo Stilton, was selected by the mayor to give a special driving demonstration, but my drivers' license had expired! I had only a week to relearn everything to pass the test for a new one. Little did I know that my lessons would introduce me to a talking robot car! It was up to us to stop a thief and make the roads safer for everyone.

by Geronimo Stilton - Children's 7 - 10, Adventure

Rancid rat hairs, the cat pirates are coming to town! They're planning on stealing New Mouse City's Statue of Liberty and taking it back to Cat Island. They think it's completely made of gold! My friends and I are determined to protect our city's precious symbol. But can we stop these fearsome felines?

by Geronimo Stilton - Children's 7 - 10, Adventure

One hot summer afternoon, I was trying to write, but I just couldn't get inspired. I needed a break! Who would've thought that soon I'd be in Arizona, hanging from cliffs and white-water rafting? Grandfather Shortpaws had sent me on a hunt for his old friend ---  the Red Bandit. What a fabumouse adventure!

by Geronimo Stilton - Children's 7 - 10, Adventure

I, Geronimo Stilton, was finishing up work one evening when I opened a letter from Uncle Stingysnout. He needed to see me immediately! I headed straight to Penny Pincher Castle for what I thought would be a nice visit...but my uncle put me straight to work. Moldy mozzarella, what a terrible vacation!

by Geronimo Stilton - Children's 7 - 10, Adventure

My cousin Trap was entering the Super Chef Contest, which determines the best cook on Mouse Island --- and he was bringing me along as an assistant! Slimy Swiss cheese, I don't know the first thing about cooking fancy dishes...and I didn't think Trap did, either. What an appetizing adventure!

by Geronimo Stilton - Children's 7 - 10, Adventure

Rancid rat hairs! I'd been spending so much money lately, I had none left in the bank! Even worse, when my grandfather found out, he sent me off to Moldy Manor. There, miserly Uncle Stingysnout would teach me to be better at saving. How terrible! Could I learn to be less wasteful without going crazy?

by Geronimo Stilton - Children's 7 - 10, Adventure

Holey cheese --- my sister, Thea, was in danger! She had traveled to Easter Island in search of a secret treasure, and now she needed my help. There was no time to lose! My friends and I hopped on a plane to begin our search, aided by a map and a mysterious riddle. What an exciting adventure!

by Thea Stilton

The Thea Sisters are boarding the famouse Orient Express for a journey from Paris to Istanbul! The train is on a special trip to return a precious wedding dress stolen years ago from an Istanbul museum. But there's a rumor that the mysterious Acrobat Thief will steal the dress from the moving train! The Thea Sisters are determined to foil this super-sneaky mouse's plans.

by Geronimo Stilton - Children's, Fiction, History

Geronimo Stiltonoot is Geronimo Stilton's ancient ancestor. He runs the newspaper in his prehistoric village, and when the village is in an uproar because the Stone of Fire has been stolen from the mouseum, it is up to Geronimo Stiltonoot and his cavemouse friend, Hercule Poirat to solve the case!