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 Thea Sisters think the discovery may be a scam and investigate.
2nd-4th graders.|||4.|||juvenile
text by Thea Stilton ; translated by Andrea Schaffer.
Original title: Il tesoro scomparso.
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