The Message in the Hollow Oak

Professional detectives challenge Nancy to tackle a mystery. The young sleuth is tasked find an important message hidden by a missionary centuries earlier in a hollow oak tree in Illinois. While searching the woods for the ancient tree, Nancy and her friends stay with a group of young archaeologists who are excavating prehistoric Indian burial mounds on a nearby farm. A shadowy enemy stalks Nancy and harasses everyone at the dig. The girl investigator pursues her dangerous adversary to an outlaws cave and is threatened when she discovers an unusual treasure.

Infantojuvenil / Literatura Estrangeira / Suspense e Mistério