The Hardy Boys #3
The Secret of the Old Mill
Read by Bill Irwin
approx. 3 hours
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.
Imagination Studio, 9780807207727
Publication Date: August 27, 2002