Jennie Hall 
Buried Cities: Pompeii, Olympia, Mycenae (Complete) 

This is an excellent book for children to learn about the incredible buried treasures that are Pompei, Olympia, and Mycenae. It contains captivating illustrations of the actual excavations of these places, with storylines that are engaging for both children and adults.
Content includes:
Pompeii
The Greek Slave and the Little Roman Boy
Vesuvius
Pompeii Today
Olympia
Two Winners of Crowns
How a City Was Lost
Mycenæ
How a Lost City Was Found