The Secret of the Fairies

Thea Stilton and the Thea Sisters are on an expedition to the fantastical Land of Erin. While they are searching for a missing friend, they learn that the land itself is in peril! The mouselets are ready to help.

On their journey, they encounter fairies, pixies, and other magical creatures — some helpful, but some out to trick them! Can the Thea Sisters save the Land of Erin before it's too late?

A magical world is in danger! The Thea Sisters are on their way... It's an adventure full of mystery and friendship!