37 Results
Book jacket

Book

2019
On summer vacation in Scotland, the Thea sisters are intrigued by a tapestry that is really a treasure map supposedly leading to a hidden alabaster garden where an ancient treasure is buried, and the story of Aurora Beat...
Book jacket

Book

2018
While the Thea sisters are at the excavation site of a dig at Hierapolis, Professor Brenninger unearths a series of priceless and very old figurines, but the Thea Sisters think the discovery may be a scam and investigate...
Book jacket

Book

2018
The Thea Sisters are taking a trip to Canada! They have been invited to do some bird-watching with a group of friends. The girls are enjoying learning more about Canada and their love for hockey. But during their trip, o...
Book jacket

Book

2014
The Thea Sisters and some friends want to start a school newspaper. Then Colette's diary is missing and sports reporter Nicky, witnesses something suspicious at the Iron Mouse Games. The Sisters' try to solve both myster...
Book jacket

Book

2014
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 Fla...
Book jacket

Book

2015
While on vacation in the Bahamas, the Thea sisters stumble across an old pirate map and endeavor to find the treasure, unaware that someone else is also seeking the prize.
Book jacket

Book

2013
Traveling to Hawaii to compete in an international hula festival, the Thea Sisters' fun is about to change when they realize a volcano is about to erupt and they must warn the other competitors before it is too late.
Book jacket

Graphic Novel

2017
Thea Stilton sends Colette, Paulina, Violet, Pamela, and Nicky on a school project exploring in and around Whale Island in search of treasure. When a bad storm interrupts their scavenger hunt, separated, the Thea Sisters...
Book jacket

Book

2017
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 -...
Book jacket

Book

2013
When Thea Stilton travels to Ireland to search for a missing agent, she finds that the whole fantasy Land of Erin is being threatened by earthquakes, and soon Will Mystery and the Thea sisters follow to help her find th...
Book jacket

Book

2014
The students of Mouseford Academy are participating in an enormouse science fair! Mice from schools around the world are all hoping to take the top prize. The Thea Sisters would love to win, but so would Ruby Flashyfur a...
Book jacket

Book

2014
It is up to the Thea sisters to investigate when an Ecuadorian chocolate factory known for its environmental practices begins malfunctioning and the owner suspects sabotage.
Book jacket

Book

2015
It is up to the Thea sisters to investigate when their friend is falsely accused of theft and barred from competing in a figure skating championship in Russia.
Book jacket

Book

2015
The Ratstreet Boys, the most famous band on Mouse Island, is performing at Mouseford Academy and their producer is auditioning student bands as the opening act--can the Thea Sisters win the coveted spot?
Book jacket

Book

2017
When a thief strikes during the Venice Carnival, the Thea Sisters investigate hoping to unmask him before the festival ends.
Book jacket

Book

2013
The Thea Sisters are visiting friends in Spain when a mysterious theft turns their trip into an investigation! They end up hot on the trail of a secret treasure. The mouselets are in for an incredible adventure full of f...
Book jacket

Book

2018
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 Crys...
Book jacket

Book

2015
When auditions for a musical at Mouseford Academy are announced, the Thea Sisters all want a role, but Ruby Flashyfur is causing problems.