Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship! 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 reconstruct the plot of the author's latest novel. But it's more dangerous than they expected! Can the mouselets locate their beloved author, or will their search just end up as an icy mess?

When one of the Thea Sisters' favorite mystery writers goes missing, the five mice travel to the author's native Iceland, where they reconstruct the dangerous plot of his latest novel in the icy terrain to piece together clues.

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 reconstruct the plot of the author's latest novel. But it

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship! The Thea Sisters take a road-trip across America.

Thea Stilton is out of this world!A professor at Mouseford Academy is organizing a trip to outer space, and the Thea Sisters are invited. The mouselings are headed on a fabumouse mission... to the moon! After much preparation, the mice blast off. But when they arrive at their lunar vacation spot, things start to go wrong, including spaceship wrecks and rebellious robots. Can the Thea Sisters save the day? Find out in an adventure that's out of this world!

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.

Geronimo's adventurous sister Thea takes center stage in this super special that's packed with mystery, adventure, and friendship!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, underground tunnels, and more than a few surprises along the way. Readers will love following the clues to help Thea and her new friends through their first adventure together!

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 theft and barred from competing for the gold medal, the five mice resolve to clear her name. Along the way, they discover ancient love letters that could be the key to finding the real culprit! But can they solve the mystery in time?

The Thea Sisters are on a magical adventure! The Thea Sisters' next adventure to the Kingdom of the Fairies!

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 fashion-designer friend Julie. But when Julie's designs are suddenly stolen, the girls must search the city of Paris to catch the thief and save the fashion show. Readers will love following the clues to help the Thea Sisters solve the mystery!