Thea Stilton
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40 free Thea Stilton trivia questions with answers — literature quiz, new questions added Oct 2026.
Thea Stilton is the fearless younger sister of Geronimo Stilton, and in her own series she hands the spotlight to her students. The Thea Sisters, Colette, Nicky, Pamela, Paulina and Violet, come from different continents, study together at Mouseford Academy, and spend their vacations cracking cases all over the globe. This quiz starts with the characters: where each sister comes from, what she loves and what she dreams of doing. It then follows the group through their best-known adventures, from sabotaged factories to stolen treasures and enchanted kingdoms, and rounds things off with the Stilton family and the people who make the books. It is written for young readers who know the series well, and for the parents, teachers and librarians who read along with them. Every answer comes with a short explanation, so even a wrong guess teaches you something new about the mouselets.
30 of 40 questions with answers and explanations. Play the quiz
Q 01Nicky, the outdoor-loving Thea Sister who hopes to become an ecologist, comes from which country?
Australia
Australia is home to Nicky, whose family runs a ranch in the outback. Her friends fly there to save it in the second book, Thea Stilton and the Mountain of Fire.
Q 02Which subject does Thea Stilton teach at Mouseford Academy, where she first meets the Thea Sisters?
Journalism
Journalism is Thea's own trade, so she is invited to teach it at the school. Her five keenest students help her solve a mystery and name their group after her.
Q 03Which city do the Thea Sisters visit when Colette's friend Julie, a designer, has her work stolen?
Paris
Paris is where the sisters chase the thief of Julie's designs to save her fashion show, in the fifth book of the series. Colette, the group's style expert, is French herself.
Q 04In Thea Stilton and the Prince's Emerald, which animals start stealing jewels in an Indian city?
Monkeys
Monkeys turn jewel thieves just as the sisters' friend Ashvin is moving them from the city back to the jungle. Someone is clearly putting them up to it.
Q 05Aboard which famous train do the Thea Sisters guard a precious wedding dress from the Acrobat Thief?
The Orient Express
The Orient Express is making a one-off run to Istanbul to return the dress, stolen years earlier from a museum there. Rumor says the thief will strike on the moving train.
Q 06A blue-skinned boy washed ashore near the Thea Sisters' school may be prince of which lost world?
Atlantis
Atlantis is where the trail leads in the first Thea Stilton Special Edition. The boy speaks an unknown language, so the sisters ask Thea herself to help work out where he came from.
Q 07In Ecuador, the Thea Sisters probe sabotage at a friend's eco-friendly factory that makes what?
Chocolate
Chocolate production suddenly goes wrong just as the factory is about to win a major award for its environmental methods. The case is the nineteenth Thea Sisters mystery.
Q 08Which business does Thea Sister Pamela's family run in New York, where someone threatens arson?
A pizzeria
A pizzeria is the family business, and the sisters have dinner there while Nicky is in town for a big race. Pizza also happens to be Pamela's favorite food.
Q 09The Thea Sisters chase a thief during the Carnival of which city, famous for its bridges and canals?
Venice
Venice holds its Carnival every year, and the festival is known for elaborate masks: handy cover for a thief. The sisters have to unmask him before the celebrations end.
Q 10Which newspaper, published by her brother Geronimo, does Thea Stilton write for?
The Rodent's Gazette
The Rodent's Gazette is the best-known newspaper in the Stiltons' home city, and its fiercest rival is The Daily Rat. Geronimo is both its editor and its publisher.
Q 11Paulina, the Thea Sister who adores her little sister Maria, is from which South American country?
Peru
Peru is Paulina's homeland, and the sisters travel there in the fourth book when a friend of hers is in danger. Her nickname in the group is Polly.
Q 12Colette, the fashion-loving Thea Sister who is always running late, adores which color?
Pink
Pink is the color Colette loves most. She hopes to write about fashion one day and spends ages getting ready, which is why she is so often late.
Q 13In the Thea Stilton books, Paulina turns out to be the group's secret genius with what?
Computers
Computers are Paulina's specialty, though she has a shy streak. She also loves traveling and making friends all over the world.
Q 21Which country is home to Violet, the Thea Sister who hopes to become a great violinist?
China
China is Violet's home, and her friends call her Vi. Her parents are a conductor and a well-known opera singer, so she rarely gets to see them.
Q 22Which African country is the homeland of Pamela, the Thea Sister known as the group's peacemaker?
Tanzania
Tanzania is Pamela's homeland, though the sisters visit her big family in New York in the eighth book. Friends call her Pam.
Q 23Where does Mouseford Academy, Thea Stilton's old school, stand, with a legendary shipwreck offshore?
Whale Island
Whale Island is home to the school, and legend says a rare diamond called Jasmine's Heart went down with the wreck. A marine biology lesson sets the sisters on its trail.
Q 14Which American publisher brought the Thea Stilton books to English readers, as well as Geronimo's?
Scholastic
Scholastic began publishing the mouse stories in English in the US in 2004, and the Thea Sisters got their own series five years later.
Q 15Which author created Thea Stilton's world after telling mouse stories as a hospital volunteer?
Elisabetta Dami
Elisabetta Dami invented the Stilton family in the 1990s to make children in hospital laugh. The books are presented as written by the mice themselves, so her name is easy to miss.
Q 16A Mouseford Academy professor invites the Thea Sisters on a trip to where in The Star Castaways?
The Moon
The Moon is the destination, billed as a lunar vacation spot. Once the sisters land, spaceships are wrecked and the robots start to rebel.
Q 17What appears on the huge monolith the Thea Sisters uncover while digging at a temple in Egypt?
A blue scarab
A blue scarab marks the stone, and it gives the eleventh book its title. Thieves are also hunting the temple's hidden treasure, so the sisters have to stop them.
Q 18In Thea Stilton and the Mountain of Fire, which animals on Nicky's ranch are losing their coats?
Sheep
Sheep on the ranch are shedding all their wool, and the ranch depends on that wool to survive. The sisters cross the whole country looking for a medicine made from a strange root.
Q 19Which famous highway do the Thea Sisters follow on a road trip in The American Dream?
Route 66
Route 66 takes the sisters through Chicago and St. Louis on the way to San Jose, where their friend Ali hopes to turn her project into a real video game.
Q 20A botanist vanishes over a rare black variety of which flower while Thea Sister Violet studies art?
Tulip
Tulip trouble strikes in the Netherlands, where Violet is taking her art class when her friend's father disappears. The hunt winds past windmills, flower fields and canals.
Q 24What job does Thea Stilton hold at the newspaper run by her older brother Geronimo?
Special correspondent
Special correspondent means Thea goes wherever the story is, by motorbike or plane if she has to. Unlike her nervous brother, she is always up for an adventure.
Q 25Which book opens the Thea Stilton series, as Thea and her students hunt for a missing classmate?
The Dragon's Code
The Dragon's Code first appeared in 2005 and reached English readers four years later. Its mystery runs through secret passages and underground tunnels.
Q 26In Thea Stilton and the Secret City, the sisters hunt for treasure in a hidden city of which people?
The Incas
The Incas built the Secret City high in the Andes, where a mysterious treasure is said to be hidden. The sisters go there to help a good friend who is in danger.
Q 27What is stolen from a wealthy collector while the Thea Sisters are in Kyoto on a cultural exchange?
A valuable doll
A valuable doll disappears just as the sisters are admiring the cherry blossoms, so the five friends set out to track it down and catch the thief.
Q 28In Thea Stilton and the Dancing Shadows, a group plots to rig a contest in which dance style?
Ballet
Ballet is the art at stake, and so is the future of the sisters' new friend, who dreams of becoming a ballerina. The mouselets join the competition in order to investigate.
Q 29Which newborn animal is kidnapped from a reserve while the Thea Sisters are on a photo safari?
A lion cub
A lion cub has only just been born when the sisters arrive in Kenya, and then he is snatched. They track him across the savanna in the seventeenth book.
Q 30In Thea Stilton's The Cloud Castle, the sisters enter the Land of Clouds through which mountain?
Mount Everest
Mount Everest hides the way in, and beyond it the sisters meet fairies, elves and unicorns. They have come because the clouds of that kingdom are vanishing.