Download or read book Thea Stilton and the Riddle of the Ruins written by Geronimo Stilton and published by . This book was released on 2019-04 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 start to investigate and discover that the figurines are fake, exposing Professor Brenninger's plans.