The Secret of the Old Clock

About “The Secret of the Old Clock”

The Secret of the Old Clock is the first volume in the Nancy Drew Mystery Stories series, written under the pseudonym Carolyn Keene. It was first published on April 28, 1930, and rewritten in 1959 by Harriet Stratemeyer Adams. On January 1, 2026, the original version entered the public domain in the US. (Summary adapted from Wikipedia, CC BY-SA 4.0.)