Thea Stilton and the Riddle of the Ruins By Geronimo Stilton

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship!

The Thea Sisters participate on a dig at Hierapolis. During their visit to the excavation site, Professor Brenninger unearths a series of priceless and very old figurines. But the Thea Sisters soon figure out that it's a scam. They start to investigate and discover that the figurines are fake, exposing Professor Brenninger's plans.

• Author: Geronimo Stilton 
• Publisher: Scholastic
• Language: English
• Format: Paperback
• ISBN: 9789352755547
• Genre: Juvenile Fiction