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The Hardy Boys #3: The Secret of the Old Mill (Hardy Boys, 3)
The Hardy Boys 3 The Secret of the Old Mill - Hardy Boys, 3 Author:Franklin W. Dixon Read by Bill Irwin
approx. 3 hours
2 cassettes
Determined to learn the secret of the old mill, Frank and Joe employ a clever use to gain entrance and become trapped. There they unravel two mysteries, one involving a counterfeiting case and the other, a national security case their father is working on.