The Magic of The Mirror (Thea Stilton Special Edition 9) Thea Stilton

The Thea Sisters are enjoying a beautiful spring afternoon when they receive a secret message from Will Mystery. They are being called back to the Seven Rose Unit.
They are heading in the most important mission they have ever been given. A powerful magic mirror has been found, and someone want to use it for evil! The mirror has the power to turn all of the fantasy kingdoms into dry deserts.
The mouselets must do something to stop it!