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Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship!The Thea Sisters go to Paris!

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship!The Thea Sisters head to Ireland!

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship!The Thea Sisters are going to New Zealand! Their new friend Charlotte wants to show them the sights, and introduce them to Didi, a skeleton of a bird that went extinct many years ago. But when they get to the mouseum, Didi has gone missing! Can they find the stolen skeleton before it is too late?

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship!The Thea Sisters visit Mexico!

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

The Thea Sisters are on a magical adventure!The Thea Sisters were are needed in Starlight Kingdomthe Kingdom of Starlight. All of the stars in the sky of the kingdom's sky have been losing their shine

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

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

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.

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

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 students of Mouseford Academy are participating in an enormouse science fair! Mice from schools around the world are all hoping to take the top prize. The Thea Sisters would love to win, but so wo

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!

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 the Thea Sisters: Nicky, Colette, Pamela, Paulina and Violet in their adventures across countries for the cheese-iest voyage that you will never forget! This series is fully illustrated with humo