Geronimo Stilton. Thea Stilton

Thea's friends the Thea Sisters travel to Australia where the investigate why the sheep at Nicky's family's ranch are losing their wool.

Geronimo's adventurous sister Thea is taking the publishing world by storm in this fabumouse tale packed with action, mystery, and friendship.In this exciting adventure, the Thea Sisters are off to Japan on a cultural exchange program. While they're busy exploring Kyoto and admiring the beautiful cherry blossoms, a valuable doll is stolen from a wealthy Japanese collector. Will the five mice be able to track down the doll and catch the thief? Readers...

"The Thea Sisters travel to New York to cheer for Nicky as she runs the Big Apple Marathon. While there, they visit Pamela's family and have a delicious dinner at the family's pizzeria. But when someone threatens to burn the restaurant down, can the Thea Sisters catch the troublemaker and solve the mystery?"--P. [4] of cover.

Bridget, a friend of the Thea Sisters, goes missing in Scotland. The Thea Sisters go to Scotland to find their friend and encounter Celtic legends, cryptic messages and hidden treasures.

"When the Thea Sisters' friend Ashvin is in trouble, they rush to his aid--in India! Ashvin has been working to return the monkeys living in the big city to their natural jungle environment. But the monkeys have suddenly started stealing jewels! Can the Thea Sisters figure out who is behind this terrible theft?"--P. [4] of cover.

"The Thea Sisters are headed to Italy for a ballet competition! But the mouselets aren't just there to dance -- they are there to investigate. A group is plotting to rig the prestigious contest, and the future of their new friend -- an aspiring ballerina -- is at stake! Can the Thea Sisters stop this scheme before it's too late?"--Page [4] of cover.

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship! While Violet is taking an art class in the Netherlands, her friend's father suddenly disappears! The missing mouse is a renowned botanist -- and his disappearance is linked to the mysterious black tulip. The Thea Sisters are eager to help find him. It's an adventure through the flowers gardens and canals of Holland! Praise for Geronimo Stilton books:"Lightning...

" While on vacation in Greece, the Thea Sisters make friends with a company of actors who are rehearsing for a play that's about to open. When an actress sprains her ankle, Colette ends up standing in for her! But suddenly, right before the performance, the lead actor goes missing. Can the mouselets find him in time for the show to go on?" --

While on vacation in the Bahamas, the Thea sisters stumble across an old pirate map and endeavor to find the treasure, unaware that someone else is also seeking the prize.

The Thea sisters are off to Madagascar for Adventure Camp. While on the nature preserve, they discover that endangered animals are under threat.

"The Thea Sisters are headed to Venice, Italy! They'll be there for the Carnival, an annual festival that's famouse for its elaborate masks. The mouselets love exploring the city's bridges and canals, and seeing the beautiful costumes mice wear to Carnival celebrations. But a mysterious thief strikes while they are there! Can they unmask him before the festival ends?"--Page 4 of cover.

The Thea Sisters participate on a dig at Hierapolis. During their visit to the excavation site, Professor Brenninger unearths a series of priceless and very old figurines. But the Thea Sisters soon figure out that it's a scam. They start to investigate and discover that the figurines are fake, exposing Professor Brenninger's plans.

While attending the Festival of Time in Germany, the Thea sisters investigate the theft of a famous clock.

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 rain forest. While 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...

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?--