John Watson has barely had time to start at his new school, Baker Street, when his teacher, Miss De Rossi, tells the class to visit one of London's great museums, where one of the world's most famous diamonds is located.
But the gemstone is stolen right in front of their noses!
The police are soon on the hunt and the whole country is talking about the theft. When they catch the thief together with the stolen jewel, the case seems to be solved, but Sherlock Holmes, John's new classmate, has other ideas. With John and his friend Martha on his side, he may be able to solve the real mystery of the amazing diamond.
Age - 9+
Grade - 4th
Category - Chapter book
Author - Sam Hearn
Publisher - Scholastic
Format - Paperback
Page - 147
Dimension - 19.7 x 13 x 1.1 cm