About this item

Geronimo's adventurous sister, Thea, narrates this fabulous adventure that's packed with action, mystery, and friendship!During a marine biology lesson at Mouseford Academy, the Thea Sisters learn about a mysterious shipwreck off Whale Island. According to legend, a very rare diamond called Jasmine's Heart was on the ship when it sank. When biology teacher Professor Van Kraken disappears, the Thea Sisters have to dive into the deep ocean to find him and the jewel. And just when they think their adventures are over, the Thea Sisters receive an invitation to travel to China to find another missing treasure. It's an adventure these five world-traveling mice will never forget!



About the Author

Thea Stilton

Thea Stilton was born in New Mouse City, Mouse Island. She is a special correspondent for The Rodent's Gazette, Mouse Island's most famouse newspaper, which is edited by her famouse brother, Geronimo Stilton. A graduate of the prestigious Mouseford Academy, Ms. Stilton is a visiting professor of journalism at Mouseford today. She is also the author of numerous mystery novels based on the exciting lives of her friends and former students, the Thea Sisters. In her spare time, Ms. Stilton loves to travel and go on fabumouse adventures.



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