The Clue of the Black Keys Author:Carolyn Keene Terry Scott, a young archaeology 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 came across a clue to the buried treasure. The clue was a cipher carved on a stone tablet. Before the professors had time to ... more »translate the cipher, the tablet disappeared, and with it Dr. Pitt!« less
ISBN: 54015 Pages:174 Rating:
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