Most Popular Books by Thea Stilton

While the Thea sisters explore Kyoto during a cultural exchange program, a valuable item is stolen from their friend Kumi''s family, and the five mice must catch the thief.

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship! The Thea Sisters head to Ireland!

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship! The Thea Sisters are going to Mexico City! They have been invited to be a part of a team researching monarch butterflies. Their friend Luz is an artist who is inspired by the butterflies and the culture of Mexico. When her mural goes missing just before her art show, the mouselets are on the case! Can they return the missing mural in time.

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 go to Paris!

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!

Searching for a missing mouse in the fantastical Land of Erin, Thea Stilton and the Thea Sisters learn that the land is in peril and must discern which of the fairies, pixies, gnomes and other magical creatures they meet are trustworthy.

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.

For the first time ever, Mouseford Academy is offering a course in outdoor survival skills, and it''s being taught by the athletic, adventurous Bruce Hyena! All five Thea Sisters sign up, along with the Ruby Crew. But when a terrible storm hits during

Returning to Scotland to help Bridget''s family repair their ancient castle, the Thea Sisters launch a determined rescue attempt when Bridget is kidnapped, in an adventure marked by mysterious messages, hidden treasures and Celtic legends. Original.

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

The Most Famouse band on the Mouse Island, the Ratstreet Boys, is performing at Mouseford Academy! The band''s producer, Mark Mousington, is auditioning student bands as the opening act. Can the Thea Sisters win the spot as the opening band?

After meeting the head of the performing arts department, Professor Ratyshnikov, the Thea Sisters investigate why the famous ballerina no longer gets along with Headmaster de Mousus.

While five little mice at Mouseford Academy are looking for their missing biology professor they dive to a haunted shipwreck off Whale Island to find a rare diamond that was lost when the ship sank.

"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 gown from the moving train! The Thea Sisters are determined to foil this sneaky mouse''s plans" -- p. [4] of cover.

The Thea Sisters help their friend Beatrice prepare for the Summer Olympics!

Geronimo''s sister Thea narrates this adventure packed with mystery and friendship! 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 the mouselets'' new friend -- an aspiring ballerina -- is at stake! Can the Thea Sisters stop this scheme before it''s too late?

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