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Cover of The Clue of the Black Keys

How long does it take to read The Clue of the Black Keys?

Carolyn Keene

The Clue of the Black Keys by Carolyn Keene takes about 3 hours 21 minutes to read at 250 words a minute.

Book 20 of Nancy Drew Mystery Stories

Previous: The Secret of the Wooden Lady Next: The Secret in the Old Attic

About 3 hours 21 minutes

A weekend read

First published 1951. 183 pages, about 50,325 words. Written for children.

7 days at 30 minutes a day

Estimate based on 275 words per page.

At other speeds

Slow, 150 words a minute 5 hours 36 minutes
Average, 250 words a minute 3 hours 21 minutes
Fast, 400 words a minute 2 hours 6 minutes

The page count is the median across 18 editions, so your copy may differ. How we calculate.

About the book

Once again Nancy Drew is involved in a mystery as she tries to locate an archaeologist who disappeared with the clues to a buried treasure.

Subjects: Juvenile fiction, Mystery and detective stories, Nancy Drew (Fictitious character), Women detectives, Detective and mystery stories, Adventure and adventurers

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