-by Franklin W. Dixon (1941, 1930s-1950s edition)
Vintage book, volume #20 from The Hardy Boys series, tweed bound hardcover with brown imprint and orange end pages.
In The Mystery of the Flying Express, teenage sleuths Frank and Joe Hardy help their father locate a foreign spy camp hidden somewhere in the western United States.
From the long-time bestselling mystery series The Hardy Boys, the male counterpart to the Nancy Drew series. The fictional Hardy Boys characters were conceived by Edward Stratemeyer and written by ghostwriters under the pen name Franklin W. Dixon. The series follows the adventures of the two teenage sons of detective Fenton Hardy, Frank and Joe, a resourceful, rebellious, and intelligent pair who are immersed in constant action and danger upon assisting their father in crime solving, as well as working on their own cases.
-Hardcover, 192pp
-Publisher: Grosset & Dunlap, Inc.
-Origin: USA
