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The Shattered Helmet is Volume 52 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by Andrew E. Svenson in 1973.
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Mystery of the Desert Giant is Volume 40 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by James Buechler in 1961.
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The Mystery of the Chinese Junk is Volume 39 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by James Duncan Lawrence in 1960.
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The Twisted Claw is Volume 18 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by John Button in 1939. Between 1959 and 1973 the first 38 volumes of this series were systematically revised as part of a project directed by Harriet …
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The Secret Warning is Volume 17 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate in collaboration by John Button and Leslie McFarlane in 1938. Between 1959 and 1973 the first 38 volumes of this series were systematically revised as …
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The Witchmaster's Key is Volume 55 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by Vincent Buranelli in 1976.
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Mystery of the Whale Tattoo is Volume 47 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by Jerrold Mundis in 1968.
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The Secret Agent on Flight 101 is Volume 46 in the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by Tom Mulvey in 1967. Mulvey was also responsible for editing other Stratemeyer Syndicate stories with aviation content.
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Danger on Vampire Trail is Volume 50 of the original The Hardy Boys Mystery Stories published by Grosset & Dunlap. This book was written for the Stratemeyer Syndicate by Andrew E. Svenson and first published in 1971.
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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. Between 1959 and 1973 the first 38 volumes of this series were systematically revised as part of a project directed by …