An all-new hardcover adventure featuring Thea Stilton and the Thea Sisters!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!
Ages 6–8
Children's books
Ratings and reviews
4.3
337 reviews
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Veena Rani
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18 June 2016
And hated it, it is all about paulina and atlas, the other Thea sisters are not so main. Never purchase it and waste your money, it's so boring
4 people found this review helpful
A Google user
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22 December 2017
Pls make all books free I'm a die hard fan of thea I almost have a collection of them at my house pls make it come true I even ask my mom yo buy it 😢
46 people found this review helpful
A Google user
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5 September 2018
I don't like it...i love it!I have been reading these thea stilton books for more than a year!..even though i am in primary 6😉.I started reading these books when i was in primary3
26 people found this review helpful
About the author
Thea Stilton is a special correspondent for The Rodent's Gazette, Mouse Island's most famouse newspaper. A graduate of Mouseford Academy, Ms. Stilton loves traveling and adventures. Find out more at www.scholastic.com/geronimostilton.
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