Thea Stilton

When Geronimo's sister, Thea, is invited to teach a journalism class at a college on Mouse Island, she has no idea that she's going to be called on to help solve a mystery. But when a student disappears, it's up to Thea and five of her students to find out what happened. A nail-biting mystery ensues, complete with secret passages,...

Thea Stilton and the Mountain of Fire is an adventure down under! Mouldy mozzarella! A flock of sheep at Nicky's family's Australian ranch was losing all its wool, and no-one knew why. Nicky and her friends, the Thea Sisters, headed to Australia and set off on a tour of the whole country in search of clues. What happened next turned...

The Secret of the Crystal Fairies (Thea Stilton Special Edition #7) by Thea Stilton features the thrilling adventures of the Thea Sisters. Just as they are about to embark on their separate family vacations, they receive a call from Will Mystery. Once again, there is trouble brewing in one of the imaginary kingdoms! A crack has been discovered in one...

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 other cities on the way to San Jose. Their friend, Ali, is a programmer and she has a chance to have her project turned into...

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship! The Thea Sisters go to Paris! The Search for the Secret Garden (Thea Stilton #38) invites readers on a thrilling journey filled with excitement and camaraderie as the group uncovers secrets in one of the world's most iconic cities.

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship! The Thea Sisters head to Capri for a new adventure!

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship! The Thea Sisters spend the holidays in Rome!