The Clue of the Black Keys
Language: English
Adventure stories Archaeological expeditions Buried Treasure Detective and Mystery Stories Drew; Nancy (Fictitious character) Girls & Women Juvenile Fiction Mysteries & Detective Stories Mystery and Detective Stories Treasure troves Women detectives
Publisher: Penguin
Published: Jan 2, 1972
Description:
Terry Scott, a young archaeology professor, seeks Nancy's help in unearthing a secret of antiquity which can be unlocked by three black keys. While on an archaeological expedition in Mexico, terry and Dr. Joshua Pitt came across a clue to the buried treasure. The clue was a cipher carved on a stone tablet.