Thea Stilton and the Secret City
/ Thea Stilton
- 161 pages : color illustrations, color maps
At the head title: Geronimo Stilton
When Paulina gets a phone call from home telling her that a friend is missing, the Thea Sisters travel to Peru to help solve the mystery. There, the five mice climb the Andes Mountains in search of a missing archeologist. Along the way, they stumble upon clues leading them to a mysterious hidden city. Will the Thea Sisters find Paulina's friend-- and the treasure of the Secret City?