num_pages: 212
description: Counterfeit money is in circulation, and the limit is reached when Mrs. Hardy takes some from a stranger. Then the Hardy boys and their high school chums are warned to stay away from the old mill. Their curiosity plunges them into peril of the most unexpected kind.
language: English
title: The Secret of the Old Mill
titlecomplete: The Secret of the Old Mill
characters: Paul Blum, Oscar Smuff, Joe Hardy, Mr. Peters (The Secret of the Old Mill), The stranger at the train station, Mr. Docker, Officer Roberts, Mr. Markel, Chet Morton, Ezra Collig, Mrs. Smith, Mr. and Mrs. Morton, The Arrow, Mr. Reed, Frank Hardy, Laura Hardy, Mr. Evans, Tony Prito, Iola Morton, Aunt Gertrude, Ken Blake, Callie Shaw, Fenton Hardy
genres: Classics, Adventure, Mystery, Childrens, Juvenile, Young Adult, Middle Grade, Detective, Fiction, Mystery Thriller
ratings_count: 8437
places: Bayport, Bridgeport, Connecticut
series: Hardy-guttene, The Hardy Boys
publisher: Applewood Books