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 to find the seven secret treasures! The search for the seven secret treasures continues. In this incredible adventure the Thea Sisters come across the legendary Jewel of the Queen. They cross rivers of ice, deserts of fire, and other fascinating places on their journey to find it.

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

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 a real video game. But, while they are on the road someone wipes her computer and all of her hard work is lost! Can the mouselets figure out what happened and help her get it all back?

Geronimo's adventurous sister Thea narrates this fabulous adventure that's packed with action, mystery, and friendship
Thea's friends the Thea Sisters take off for Australia to solve a mystery. A flock of sheep at Nicky's family's ranch is losing all its wool, and the ranch depends on the wool to stay afloat Maybe the sheep's cure lies in an Aboriginal medicine containing a strange root. The five mouselings set off on a tour of the whole country to find out. It's a truly memorable outback adventure

Geronimo's sister Thea Stilton narrates this action-packed adventure
The Thea Sisters have been invited to Egypt to participate in a fabumouse 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, and they work enthusiastically to uncover the past. But they also discover that thieves are after the hidden treasure. It's up to the Thea Sisters to stop them

Join Thea Stilton and the Thea Sisters in their third magical special edition adventure
There's a mystery in the land of the lotus flowers
Thea Stilton and Thea Sisters are called to help to an enchanted land It's a world linked to the legends of Japan, and it is in danger. The realm's special lotus flowers are disappearing, and no one knows why
The mouselets set off on a quest to solve this mystery. They must discover the secret of the lotus flowers -- but can they trust the strange magical creatures that they meet on their way? It's a fabumouse adventure

Join Thea Stilton and the Thea Sisters on an adventure packed with fantasy and friendship! 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 been discovered in one of the maps in the Hall of Roses. The girls head to the Crystal Kingdom to help uncover the mystery. There, they find that a dragon has been wreaking havoc all over the land. He has been turning all of their precious gems into stone and leaving a path of destruction whereever he goes. The sisters figure out why and help break the spell.

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 this adventure packed with mystery and friendship
The Thea Sisters are in Kenya on a photo safari The mouselets love exploring the magnificent landscape and learning about the animals on the reserve they're visiting. A lion cub has just been born -- but while they're there, he's kidnapped It's up to the Thea Sisters to rescue him in an adventure across the savanna.

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship! The Thea Sisters are heading to Malaysia. Their friends, Latifah and Ramlee, are writing a travel guide and have asked the sisters to help them research. They are stopping at all the best sites, eating all the best foods, and seeing the most amazing animals, especially in the rainforest. While they are exploring they learn about a plan to cut down the trees in the forest and Ramlee and their guide go missing! Can the sisters track down their friend and save the forest?

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 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 friends are there to support her. While in the city, they all visit Pamela's family and have a delicious dinner at the family's pizzeria. But the mouselings discover that someone has been threatening to burn the restaurant down, and Pam's family might have to close it for good to stay safe Will the Thea Sisters catch the troublemaker before it's too late?