Hardy Boys Canon (1-58)
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The Secret of the Old Mill

Volume #3 in the Hardy Boys Canon (1-58) series

Ghostwriter: Leslie McFarlane
Summary: Counterfeit money is circulating in Bayport! The boys track down the counterfeiting gang at their base in an old mill.

Revision type: Completely rewritten; old counterfeiting plot retained, but new subplot involving sabotage of U.S. missile development added. (More about revisions.)
Ghostwriter: Alistair Hunter