num_pages: 192
description: 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.
language: English
title: The Mystery of the Spiral Bridge
titlecomplete: The Mystery of the Spiral Bridge (Hardy Boys, #45)
genres: Detective, Thriller, Childrens, Crime, Young Adult, Classics, Mystery, Mystery Thriller, Adventure, Fiction
ratings_count: 1380
series: The Hardy Boys, Hardy-guttene
publisher: Grosset & Dunlap