Thea Stilton

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?

Attending an ecological conference in Alaska, the Thea Sisters are introduced to local games and customs by their native Alaskan hosts before discovering that someone is endangering the ecosystem by using explosives to blow up the ice.

The Seven Roses, magical flowers which bloom forever and which are linked to the health of the Land of Flowers, are dying, and the Thea sisters together with Will Mystery must travel to that land to discover the reason--a journey where every flower seems determined to hinder their passage.

A lion cub is kidnapped while the Thea Sisters visit a Kenyan safari, and they must travel across the savanna to rescue him.

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.

"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 are taking a special trip on the Orient Express for a journey from Paris to Istanbul to return a 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, and the Thea Sisters are determined to foil this mouse's plans.

Mouseford Academy is celebrating their 600th anniversary and the headmaster and teachers decide to put on a play of the famous Mouseo and Juliet. The Thea Sisters want the role of Juliet but so does their rival, Ruby Flashyfur.

The Thea Sisters travel to Egypt for an archeological excavation to look for an ancient treasure and when they find a blue stone scarab, they are able to uncover the past but thieves are after the treasure as well

When Will Mystery calls, the Thea Sisters answer the call because there is trouble in one of the fairy kingdoms: a dragon has been turning all the fairies' precious gems into stone, and wrecking havoc throughout the Crystal Kingdom--and it is up to the sisters to find out why the dragon is destroying this Kingdom and stop him before it is too late.