Their connection to the fantasy worlds is in danger... Join Thea Stilton and the Thea Sisters as they travel to help a new magical land! The mice encounter fairies and other strange and fantastical creatures as they work together to solve a mystery to save the realm from peril. It's a fabumouse adventure. Fairies, folklore, and magical creatures await Thea Stilton and the Thea Sisters in every Special Edition adventure!

Join Thea Stilton and the Thea Sisters in their third magical special edition adventure! There's a mystery in the land of the lotus flowers! Thea Stilton and Thea Sisters are called to help to an enchanted land! It's a world linked to the legends of Japan, and it is in danger. The realm's special lotus flowers are disappearing, and no one knows why! The mouselets set off on a quest to solve this mystery. They must discover the secret of the lotus flowers - but can they trust the strange magical creatures that they meet on their way? It's a fabumouse adventure!

In this exciting adventure, the Thea Sisters are off to Paris to visit Colette's fashion-designer friend Julie. But when Julie's designs are suddenly stolen, the girls must search the city of Paris to catch the thief and save the fashion show.

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship! The Thea Sisters are taking a trip to Canada! They have been invited to do some bird-watching with a group of friends. The girls are enjoying learning more about Canada and their love for hockey. But during their trip, one of their group members mysteriously disappears. They set off to Niagara Falls to find him. Can they solve the mystery?

Thea Stilton and the Thea Sisters are needed to help Aquamarina, the magical land of the ocean! The enchanted Music of the Sea has stopped playing, and no one knows why. If it doesn't return soon, the realm will perish! The mouselets and their friend Will Mystery travel to the underwater world to find the magical music. On their mission, they swim through dangerous waters, encounter strange and fantastical creatures, and even reveal an ancient mystery. It's a mousetastic aquatic adventure!

Geronimo recieves a mysterious package. It was a coffin! And it was gift-wrapped! It was an invitation to a spine-tingling mystery dinner at Cacklefur Castle! Geronimo, Thea, and Trap find spiders, bats, and... something slimy! Can Geronimo solve the mystery before he is frightened out of his fur? This is an all-new Geronimo Stilton series as interpreted by author, artist, and longtime fan Tom Angleberger, based on the story by Elisabetta Dami. Who is Geronimo Stilton? That's me! I run a newspaper, but my true passion is writing adventure stories.

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.

The Thea Sisters are going to Mexico City! They have been invited to be a part of a team researching monarch butterflies. Their friend Luz is an artist who is inspired by the butterflies and the culture of Mexico. When her mural goes missing just before her art show, the mouselets are on the case! Can they return the missing mural in time.

Enter the world of Geronimo Stilton, where another funny adventure is always right around the corner. Each book is a fast-paced adventure with lively art and a unique format kids 7-10 will love. My sister, Thea, is the mystery-loving rodent, not me! But somehow I found myself going undercover to get to the bottom of a case. Slimy Swiss balls - I hardly knew where to start! Geronimo Stilton, Secret Agent Mouse? Maybe I could get used to that...

The Thea Sisters spend the holidays in Rome!

The Thea Sisters are off to save the rain forest in Malaysia.

One of the Thea Sisters' favorite authors, a famouse mystery writer, has disappeared! To find him, the five mice travel to his native Iceland. Together they traverse the stunning landscape and reconstruct the plot of the author's latest novel. But it's more dangerous than they expected! Can the mouselets locate their beloved author, or will their search just end up as an icy mess?

The Thea Sisters are off to Madagascar for Adventure Camp, a wilderness survival competition! The five friends love exploring and learning about the many plants and animals that live there. But then they discover that they're not alone in the nature preserve - and endangered animals are under threat! Can the mouselets help before it's too late?

The Thea Sisters are visiting a friend in sunny California, and she invites them to the set of a movie in Hollywood! The mice love being around famouse and fabumouse directors and actors as they're working. But then an important reel of film is stolen from the studio! Can the Thea Sisters catch the thief and save the movie?

Paulina and the Thea Sisters journey to Peru to find their missing archaeologist friend, but as they ascend the Andes Mountains, the sisters find clues that lead them to a mysterious hidden city.

When Geronimo's sister, Thea, is invited to teach a journalism class at a college on Mouse Island, she has no idea that she's going to be called on to help solve a mystery. But when a student disappears, it's up to Thea and five of her students to find out what happened. A nail-biting mystery ensues, complete with secret passages, underground tunnels, and more than a few surprises along the way. Readers will love following the clues to help Thea and her new friends through their first adventure together!