Join Thea Stilton and the Thea Sisters on an adventure through Mouseford Academy! Anna Winmouse, the fabumouse editor-in-chief of Cosmouse magazine, is renting Cheddarton House, a cottage that overlooks Whale Island's Seashell Beach. She's trying to get away from the media for a while, but it hasn't been easy. Can the Thea Sisters help her keep her visit to Whale Island a secret?

Join Thea Stilton and the Thea Sisters on an adventure through Mouseford Academy! The Most Famouse band on the Mouse Island, the Ratstreet Boys, is performing at Mouseford Academy! The band's producer, Mark Mousington, is auditioning student bands as the opening act. Can the Thea Sisters win the spot as the opening band?

The Thea Sisters and their friends have decided to start a school newspaper. But then Colette's diary goes missing, and sports reporter Nicky witnesses a suspicious finish during the Iron Mouse Games. Can the Thea Sisters solve these mysteries and make their deadline for their paper?

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship! The Thea Sisters help their friend Beatrice prepare for the Summer Olympics!

To celebrate Mouse Academy's 600th anniversary, the headmaster and teachers decide to stage a performance of William Squeakspeare's favorite play Mouseo & Juliet! The Thea Sisters all want the part of Juliet, but so does their rival, Ruby Flashyfur.

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 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.

Join Thea Stilton and the Thea Sisters on an adventure through Mouseford Academy! There's going to be a musical at Mouseford, and the Students can't stop squeaking about it! Everyone wants a role, but the auditions won't be easy. Plus, sneaky Ruby Flashyfur has some tricks up her sleeve.