|Author(s) :- Kedai Buku||Format :- Paperback|
|Publisher :- SCHOLASTIC|
|ISBN-13 :- 9780545150590|
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.