Download or read book Hardy Boys 45: The Mystery of the Spiral Bridge written by Franklin W. Dixon and published by Penguin. This book was released on 1965-12-01 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.