The Secret of Pirates' Hill
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The Secret of Pirates' Hill is Volume 36 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap.
This book was written for the Stratemeyer Syndicate by John Almquist in 1956.[1] Between 1959 and 1973 the first 38 volumes of this series were systematically revised as part of a project directed by Harriet Adams, Edward Stratemeyer's daughter.[2] The original version of this book was shortened in 1972 by Priscilla Baker-Carr[1] resulting in two slightly different stories sharing the same title.
Plot summary
Hired by a mysterious businessman to locate an old Spanish cannon, the Hardy brothers and friends grow more and more suspicious as they encounter stolen cars and a mysterious man on a motorcycle. They eventually uncover the cannon and thousands in gold bullion after perilous underwater adventures.
References
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