The mouselets and their friend Will Mystery travel to the underwater world to find the magical music. On their mission, they swim through dangerous waters, encounter strange and fantastical creatures, and even reveal an ancient mystery. It’s a mousetastic aquatic adventure!

Eva’s teacher, Miss Featherbottom, is getting married. All of her students have been invited to the wedding. And Eva starts a Secret Wedding Planners Club! But before Miss Featherbottom walks down the aisle, her necklace goes missing. Eva wants to help! She quickly turns her Wedding Planners Club into a Detectives Club. Can Eva track down the missing necklace before Miss Featherbottom’s wedding is ruined?

I knew from the start that it was no ordinary day, but I certainly didn’t expect to find a golden staircase in my attic. Up at the top, there was a door. And beyond the door was a world I never could have imagined — the Kingdom of Fantasy!

Along with my guide, a frog named Scribblehopper, I set off on an incredible adventure to save the Queen of the Fairies. But along the way, I had to face giant scorpions, witches, sea serpents, pixies, and dozens of other creatures that I had only ever heard stories about. Holey cheese, what a journey! Could I save the Queen . . . and my own tail?

THE CURSE OF THE FULL MOON MUST BE BROKEN!

On a dark and stormy night, Cleo and Evan are haunted by a disaster. Evan has been bitten by a werewolf! If they can’t find the cure — and the right key — before the full moon rises, he’ll be stuck prowling the pages of this ghost story for good!

There’s a mystery in the land of the lotus flowers!

Thea Stilton and Thea Sisters are called to help to an enchanted land! It’s a world linked to the legends of Japan, and it is in danger. The realm’s special lotus flowers are disappearing, and no one knows why!

The mouselets set off on a quest to solve this mystery. They must discover the secret of the lotus flowers — but can they trust the strange magical creatures that they meet on their way? It’s a fabumouse adventure!

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? It’s an adventure full of mystery and friendship!

The Thea Sisters have received an urgent message from their friend Will Mystery. The magical Land of Clouds is in danger. The mouselets must find out why the clouds are disappearing!

Once they enter the kingdom through Mount Everest, the mice meet fairies, elves, and unicorns on their way to the majestic Cloud Castle. But who can the Thea Sisters count on to help solve the mystery? It’s an incredible journey to restore harmony to this enchanted land!

At the beach by Mouseford Academy, one of the Thea Sisters discovers a mysterious boy with blue skin washed up on the shore. He speaks an unfamiliar language, so the Thea Sisters call Thea Stilton to help figure out how to communicate with him. She sets the mouselings on an exciting journey across the world to hunt for clues about the boy’s origins. Could he be prince of the underwater world of Atlantis? It’s up to the Thea Sisters to get him home!

In this exciting adventure, the Thea Sisters are off to Paris to visit Colette’s fashion-designer friend Julie. But when Julie’s designs are suddenly stolen, the girls must search the city of Paris to catch the thief and save the fashion show. Readers will love following the clues to help the Thea Sisters solve the mystery!