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

While the Thea sisters are at the excavation site of a dig at Hierapolis, Professor Brenninger unearths a series of priceless and very old figurines, but the Th

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship! The Thea Sisters are visiting a friend in Ecuador who has a sweet job

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 vis

Join Thea Stilton and the Thea Sisters on an adventure packed with mystery and friendship! One of the Thea Sisters' favorite authors, a famouse mystery writer,