About the book: 1996 / Four archaeologists go in search of a treasure that, as legend says, has been kept for many centuries in the forests of Mexico. Buried there are not only countless treasures, but also a fantastic substance that can destroy humanity. Archaeologists manage to pick up the trail, but unknown attackers kidnap one of the scientists. The brave Nancy Drew gets down to business. After such a puzzling investigation, it is not difficult for the young detective to unravel the mystery of the disappearance of an ancient stained glass window with a knight and a peacock.