Thea Stilton is out of this world!A professor at Mouseford Academy is organizing a trip to outer space, and the Thea Sisters are invited. The mouselings are headed on a fabumouse mission... to the moo
Geronimo's sister Thea Stilton narrates this action-packed adventure!When the Thea Sisters' friend Bridget returns to Scotland for a family emergency, the five mice offer to help. And when Bridget goe
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 reconst
The Thea Sisters are headed to Venice, Italy! They'll be there for the Carnival, an annual festival that's famouse for its elaborate masks. They mouselets love exploring the city's bridges and canals,
The Seven Roses, magical flowers which bloom forever and which are linked to the health of the Land of Flowers, are dying, and the Thea sisters together with Will Mystery must travel to that land to d
Geronimo's adventurous sister Thea narrates this fabulous adventure that's packed with action, mystery, and friendship!The Thea Sisters are off to New York City for another fabumouse adventure! Nicky
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
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
The Thea Sisters participate on a dig at Hierapolis. During their visit to the excavation site, Professor Brenninger unearths a series of priceless and very old figurines. But the Thea Sisters soon fi
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!
A magical world is in danger! The Thea Sisters are on their way. . . .Thea Stilton and the Thea Sisters are on an expedition to the fantastical Land of Erin. While they are searching for a missing fri
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 t
What is the secret of the clouds?The Thea Sisters have received an urgent message from their friend Will Mystery. The magical Land of Clouds is in danger. The mouselets must find out why the clouds ar
Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship!The Thea Sisters are in Russia for a figure skating championship! When their new friend is falsely accused of
An all-new hardcover adventure featuring Thea Stilton and the Thea Sisters!At the beach by Mouseford Academy, one of the Thea Sisters discovers a mysterious boy with blue skin washed up on the shore.
While the Thea Sisters are on a tropical vacation in the Bahamas, they stumble upon an old pirate map! It's related to a local legend. Could it lead to treasure?! The five mice venture onto the sparkl
Geronimo's sister Thea narrates this adventure packed with mystery and friendship!The Thea Sisters are headed to Italy for a ballet competition! But the mouselets aren't just there to dance -- they ar
Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship!While on vacation in Greece, the Thea Sisters make friends with a company of actors. They are rehearsing for a
