This article is written
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Edward Stratemeyer 002
Secret of Sigma Seven
House name Franklin W. Dixon
Publication information
Publisher Minstrel Books
Producer Mega-Books of New York
Publication date October 1991
Media type Paperback
ISBN ISBN 0671727176
Series The Hardy Boys
Preceded by The Prime-Time Crime
Followed by Three-Ring Terror


Secret of Sigma Seven is the 110th book in The Hardy Boys series. It was first published in October 1990 by Minstrel Books (an imprint of Simon & Schuster).

Plot summary

When the only copies of director Simon Devoreaux's latest blockbuster film go missing, at a science fiction convention, Frank and Joe Hardy investigate.


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to be added.

Businesses and organizations

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  • The Secret of Sigma Seven was declared out of print by Simon & Schuster in July 2001.
  • The movie series referenced in the book is a parody of the Star Wars movie series.


External links

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