|Clue of the Black Keys, the (1951) [Novel]|
by Carolyn Keene
Rating: Weighted - 6.7 / Average - 6.0 of 10 (1 votes) (Rate!)
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Series: Nancy Drew Mystery Stories
(From the publisher):
Terry Scott, a young archeology professor seeks Nancy's help in unearthing a secret of antiquity which can only be unlocked by three black keys. While on an archaeological expedition in Mexico, Terry and Dr. Joshua Pitt found a clue to the buried treasure on a cipher. Soon after, Dr. Pitt and the cipher disappeared. Terry suspects the Tinos, a couple posing as scientists who vanished at the same time.
Original title: The Clue of the Black Keys
Genre: Fiction→ Children & Young Adult→ Mystery