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The Clue of the Black Keys
(1951)(Book 28 in the Nancy Drew Mystery Stories series)
A novel by Carolyn Keene (Mildred A Wirt)
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.
Genre: Young Adult Fiction
Genre: Young Adult Fiction
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Used availability for Carolyn Keene's The Clue of the Black Keys
Hardback Editions
January 1951 : USA Hardback
September 1972 : UK Hardback
Paperback Editions
June 1979 : UK Paperback
August 1974 : USA Paperback
Kindle Editions
January 1951 : USA, Canada, UK Kindle edition