The Mystery of the Spiral BridgeBook - 1994
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.
Publisher: New York, Grosset & Dunlap 
Branch Call Number: JM/DIXO
Characteristics: 176 p. illus. 20 cm.
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