Thea Stilton and the secret city /
At head of title: Geronimo Stilton
[text by Thea Stilton ; illustrations by Alessandro Battan ... et al.].
- New York : Scholastic, c2010.
- 168 p. : col. ill. ; 20 cm.
"English translation by Atlantyca S.p.A."--T.p. verso.
"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 archaeologist. 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?" -- P. [4] of cover.