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$958
Chapter Book · Ages 8–12 · 1941
Mystery of the Flying Express
By Franklin W. Dixon · Book #20 in the The Hardy Boys series
A hydrofoil's maiden voyage turns into a perilous chase against Zodiac-themed criminals.
177 pages· 32,596 words· Est. 4.5 hour read
3.8/5 Goodreads · 2,152 ratings
$9.99Save 4%
Summary: Frank and Joe Hardy are tasked with guarding a new hydrofoil, the Flying Express, amid threats of sabotage. When the vessel and a skilled operative vanish, the brothers embark on a high-stakes pursuit across sea, air, and land. They face Zodiac Zig, a cunning gang leader, and his ruthless crew. As danger looms at every turn, can the teenage detectives unravel the mystery and stop the criminals before it's too late?
