At the beach by Mouseford Academy, the Thea Sisters discover a mysterious boy with blue skin washed up on the shore. He speaks an unfamiliar language, so the five mice call Thea Stilton for help. She sets the mouselings on an exciting journey to hunt for clues about the boy's origins. Could he be the prince of the underwater world of Atlantis? It's up to the Thea Sisters to get him home!

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!

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?

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...

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!

When pirate cats threaten Mouse Island, Professor von Volt sends Geronimo Stilton and his friends back through time to ancient Greece, Atlantis, and Stonehenge to try and find out how ancient civilizations were able to find peace and avoid war - only to find that the key to peace was under their whiskers the whole time.

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.

Return to the past with Geronimo Stilton in this fabumouse special edition! Imagine my surprise when I, Geronimo Stilton, was offered the chance to travel back in time again! Professor Paws von Volt entrusted me to lead my family on a secret journey in his new time machine. This voyage took us to ancient Rome, to the great Maya Empire, and to the Palace of Versailles during the age of the Sun King! Along the way I competed in a scary chariot race, saved some mouselings from a hungry jaguar, and was forced to organize a huge party for the king who had everything. What a wild trip through history!

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 search for the seven secret treasures continues. In this incredible adventure the Thea Sisters come across the legendary Jewel of the Queen. They cross rivers of ice, deserts of fire, and other fascinating places on their journey to find it.

The search for the seven secret treasures continues. In this incredible adventure, the Thea Sisters come across the legendary Jewel of the Queen. They cross rivers of ice, deserts of fire, and other fascinating places on their journey to find it.

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.

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. It's Halloween on Mouse Island, and it seemed like everyone was out to get me, Geronimo Stilton! My cousin Trap kept pulling scary pranks on me. And then my sister Thea told me I had to write a book about Halloween in less than one day! Before you could say boo, my nephew Benjamin had dragged me to a graveyard to do research. There I met a very spooky mouse who - yikes! - tried to lock me up in her coffin! Oh, how would a 'fraidy mouse like me ever survive the year's scariest holiday?

The Thea Sisters spend the holidays in Rome!

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