The Mystery of the Flying Express

About “The Mystery of the Flying Express”

A sleek hydrofoil named the Flying Express is set to begin service between Bayport and Cape Cutlass. Its owner, however, faces opposition from business enemies who have angered local small boat owners. To protect the hydrofoil, he hires Frank and Joe Hardy. The brothers soon find themselves in a dangerous chase as a gang of criminals, linked to the Zodiac, steals the hydrofoil and takes Mr. Hardy's operative, Sam Radley. Frank and Joe work to uncover the truth while their friend Chet Morton uses his new knowledge of astrology to help. The Hardys face great danger as they search for the stolen hydrofoil and the gang leader known as Zodiac Zig.