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  • Published: 1 February 1933
  • ISBN: 9781101127582
  • Imprint: PEN US eBook Childrens
  • Format: EBook
  • Pages: 192

Hardy Boys 12: Footprints Under the Window





A plot to steal a top-secret instrument vital to the United States space program poses a challenging case for Frank and Joe Hardy. After rescuing a South American stowaway who mutters a warning about “Footprints “ and then vanishes, Frank and Joe discover that documents belonging to their famous detective father are missing and that footprints linger under a window. The young detective’s search for the diabolical mastermind of the “Footprints” spy ring takes them on a flight to a group of islands off the coast of South America.

  • Published: 1 February 1933
  • ISBN: 9781101127582
  • Imprint: PEN US eBook Childrens
  • Format: EBook
  • Pages: 192

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