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The Mystery of the Spiral Bridge

Frank and Joe Hardy are determined to bring to justice the vicious criminals who kidnapped their detective father while he was investigation sabotage of a road-building project in the Kentucky wilderness. After Mr. Hardy’s escape, the two young sleuths are spurred into action when he mumbles the word “Felix” and they discover a dossier of a notorious ex-convict was stolen from his files. The trail leads them to New York City but ends abruptly in a cemetery! With the new clue of a spiral symbol the boys head to Kentucky as part of a highway construction crew to track down the kidnappers and saboteurs.

  • Format
  • hardcover
  • Pages
  • 192
  • Language
  • english
  • ISBN
  • 9780448089454
  • Genres
  • mystery, fiction, childrens, adventure, crime, classics, detective, thriller
  • Release date
  • 1965