This article is written
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Edward Stratemeyer 002

For the original edition of this book, see The Secret of the Lost Tunnel (original text).

The Secret of the Lost Tunnel
House name Franklin W. Dixon
Ghostwriter David Grambs
June Dunn
Priscilla Baker-Carr
Andrew E. Svenson (original)[1]
Outline Harriet S. Adams (original)Cite error: Closing </ref> missing for <ref> tag.
Cover artist Rudy Nappi
Publication information
Publisher Grosset & Dunlap
Producer Stratemeyer Syndicate
Publication date 1968
Media type Hardcover
Pages 174
Series The Hardy Boys
Preceded by The Sign of the Crooked Arrow
Followed by The Wailing Siren Mystery


The Secret of the Lost Tunnel is the 29th book in The Hardy Boys series. It was first published in 1950 by Grosset & Dunlap and revised and re-published in 1968.

Plot summary

Frank and Joe Hardy head South to vindicate a long-dead Confederate general, disgraced during the Civil War. Their search for the missing treasure, the general was suspected of stealing, pits them against a criminal and his gang, also searching for the gold.


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  1. Who Wrote the Hardy Boys? at

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