The Thea Sisters are on a new adventure. It all begins when they a diary belonging to an old explorer. It tells the legend of seven mysterious treasures. The girls find themselves on a search for the
Join Thea Stilton and the Thea Sisters on an adventure to find the seven secret treasures!The search for the seven secret treasures continues. In this incredible adventure, the Thea Sisters come acros
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!
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
The Thea Sisters are just about to head off on their separate family vacations when they receive a call from Will Mystery. Once again, there is trouble in one of the imaginary kingdoms! A crack has be
Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship!The Thea Sisters are taking a road trip across America along Route 66! They stop in Chicago, St. Louis, and ot
Violet has been chosen to play in the orchestra for a production of Romeo and Juliet in London! The mouselets begin to notice strange things happening during rehearsals. Someone is trying to sabotage
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
Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship!The Thea Sisters are invited to the Festival of Time in Germany! They arrive in the Black Forest and find that
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,
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
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
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
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.
Geronimo's adventurous sister Thea narrates this fabulous adventure that's packed with action, mystery, and friendship!In this exciting adventure, the Thea Sisters are off to Paris to visit Colette's
The Bennet family’s quiet life is shaken up when a new mouse moves into town. Mrs. Bennet is looking to marry each of her daughters to respectable and rich mice, including the most outspoken, Elizabet
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
