Secret of the Old Mill, The
By Dixon, Franklin W.
On the shelf in the Library
Call Number:
DIX
S
Student Comments:
Summary: Read by Bill Irwinapprox. 3 hours2 cassettesDetermined 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.