The Pentagon Spy (Hardy Boys)

Author: Franklin W. Dixon
Publisher: Armada Books, 1981
Condition: Softcover, yellowed pages, wear and tear on cover, annotations on first page
First valuable antique weather vanes are stolen in Pennsylvania Dutch Country and Frank and Joe are hired to catch the thieves. Meanwhile, their father is asked to find a missing Navy employee and a top-secret government document. What is the connection between the missing weather vanes and the Pentagon spy? The final chapters of this thrilling mystery uncover a stunning revelation!