Mystery of the Flying Express

Franklin W. Dixon

Book 20 of The Hardy Boys

Language: English

Publisher: Penguin

Published: Jan 1, 1970

Description:

Fearing sabotage, a hydrofoil owner begs Frank and Joe Hardy to guard the Flying Express on her maiden trip; startling developments plunge the teen-age detectives into a dangerous chase by sea, air, and land in pu rsuit of a gang of hardened criminals who operate by the signs of the Zodiac.