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      The Hypersonic Secret

      by Franklin W. Dixon
      Published
      Dec 1995
      Main Genre
      Amateur Sleuth Amateur Sleuth
      Pages
      160
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      Series
      Hardy Boys Mystery Stories Book 135

      About This Book

      Investigating the disappearance of an air taxi pilot, Frank and Joe uncover evidence of sabotage that points directly to the missing man's passenger, millionaire Ian Fairbanks, who is connected to a national conspiracy. Original.

      Series Placement

      Book 135
      🟡 Mostly Standalone
      View full series order

      Genres & Themes

      Genres

      Suspense

      Subgenres

      Amateur Sleuth

      Age Level

      Kids (12 & Under) Kids: Middle Grade

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      Formats & Editions

      Browse the different covers, formats, and publication history for this title.

      Paperback

      Paperback edition cover
      Paperback
      Dec 1995 Minstrel ISBN 0671505181
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      Hardcover

      Hardcover edition cover
      Hardcover
      Jan 1995 Turtleback Books ISBN 0606085351
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