Competing in an international hula festival in Hawaii, the Thea mouselet sisters discover that the festival is located on the side of a volcano that is about to erupt, a finding that prompts a race ag
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
Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship!While Violet is taking an art class in the Netherlands, her friend's father mysteriously disappears! The missi
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
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 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
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 sister Thea Stilton narrates this tale packed with action, mystery, and friendship!When the Thea Sisters' friend Ashvin is in trouble, they rush to his aid . . . in India! Ashvin has been b
Geronimo's sister Thea Stilton narrates this action-packed adventure!The Thea Sisters have been invited to Egypt to participate in a fabumouse archeological excavation. They are helping to look for th
Geronimo's adventurous sister Thea narrates this fabulous adventure that's packed with action, mystery, and friendship!The Thea Sisters are boarding the famouse Orient Express for a journey from Paris
Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship!The Thea Sisters are visiting a friend in Ecuador who has a sweet job -- he runs a chocolate factory! His fact
Join Thea Stilton and the Thea Sisters on this adventure packed with mystery and friendship!The Thea Sisters are in Kenya on a photo safari! The mouselets love exploring the magnificent landscape and
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
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
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
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
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
