The Thea Sisters are headed to Italy for a ballet competition! But the mouselets aren't just there to danceNthey are there to investigate. A group is plotting to rig the prestigious contest, and the future of the mouselets' new friendNan aspiring... [More...]

The Thea Sisters are boarding the OfamouseO "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... [More...]

The Thea Sisters are in Hawaii to compete in an international hula festival. The mouselets are having a great timeNuntil they learn that the festival is located on the side of a volcano that is about to erupt! The Thea Sisters don't have any time to lose!... [More...]

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... [More...]

The Thea Sisters' friend Ashvin is in trouble and they rush to his aidNin India! Ashvin has been bringing the monkeys that live in the big city back to their natural jungle environment. But the monkeys have suddenly started stealing jewels! Someone must be... [More...]

When the Thea Sisters' good friend, Bridget, has to return to Scotland to help her family repair their ancient castle, the five mice offer to help their friend in whatever way they can. Little do they know that Bridget will be kidnapped, and they'll have to... [More...]

The Thea Sisters have been invited to Egypt to participate in an archeological excavation. They are helping to look for the legendary ancient Treasure of the Sun. A precious blue stone scarab may be the key to their search, but they also discover that... [More...]

Geronimo's adventurous sister Thea narrates this fabulous adventure that's packed with action, mystery, and friendship! The Thea Sisters are off to New York City for another fabumouse adventure! Nicky has been training to run the Big Apple Marathon, and her... [More...]

In this amazing adventure, Thea's friends, the Thea Sisters, head to Peru, where a good friend of Paulina's is in danger. There, the five mice climb the Andes mountains in search of a mysterious treasure that's hidden in the Secret City of the Incas.... [More...]

During a marine biology lesson at Mouseford Academy, the Thea Sisters learn about a mysterious shipwreck off Whale Island. According to legend, a very rare diamond called Jasmine's Heart was on the ship when it sank. When biology teacher Professor Van... [More...]