Book Collecting

Nancy Drew #28 Clue of the Black Keys – First Edition Identification Guide

The Clue of the Black Keys is the twenty-eighth volume in the Nancy Drew mystery series. It was first published in 1951 under the pseudonym Carolyn Keene. The actual authors were ghostwriters Wilhelmina Rankin and Harriet Stratemeyer Adams.

Summaries (original edition)

Nancy Drew 28 Clue Of The Black Keys
Nancy Drew 28 – Clue of the Black Keys

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 buried treasure. The clue was a cipher carved on a stone tablet.

Before the professor had time to translate the cipher, the tablet disappeared – along with Dr. Pitt! Terry tells Nancy of his suspicions of the Tinos, a Mexican couple posing as scientists who vanished the same night as Dr. Pitt. Nancy and her friends follow a tangled trail of clues that lead to the Florida Keys and finally to Mexico in this suspense-filled story that will thrill readers.

Nancy Drew #28 The Clue of the Black Keys First Edition Book Identification Points

Only the first few printings of the first/second year are included. Printings codes are based on the Farrah Guide, 12th printing. Please refer to the guide for later printings.

How to Identify Nancy Drew - The Clue of the Black Keys First Edition Guide
PrintingFrontisCopyright PageNotes
1951A-1PlainNancy Drew #1-28, Dana Girls #1-10
1951B-2PlainNancy Drew #1-28, Dana Girls #1-12
1951C-3PlainNancy Drew #1-28, Dana Girls #1-13

Nancy Drew #28 The Clue of the Black Keys First Edition Dust Jacket Identification Points

How to Identify Nancy Drew - The Clue of the Black Keys First Edition Dust Jacket
PrintingPriceFront FlapRear PanelRear FlapFormat
1951A-17575Nancy Drew #1-28Judy Bolton #1-22Vicki Barr #1-613
1951B-27575Nancy Drew #1-28Judy Bolton #1-22Vicki Barr #1-613
1951C-37575Nancy Drew #1-28Judy Bolton #1-22Dana Girls #1-1313
Nancy Drew 28 Clue Of The Black Keys 1951A-1
First edition Dust Jacket Identification Points for Nancy Drew 28 – Clue of the Black Keys 1951A-1

Reference:

  • Wikipedia
  • Farah’s Guide to Nancy Drew, 12th printing

BOOKSTORE: Rare, Antiquarian, First editions, Illustrated Children's Books

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