While the Hardy Boys investigate the theft of valuable antique weather vanes from Pennnsylvania Dutch farms, their father tracks down a Pentagon employee who has stolen a valuable secret.

Originally published: New York: Simon & Schuster, c1980.

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!

Discover the definitive history of DARPA, the Defense Advanced Research Project Agency, in this Pulitzer Prize finalist from the author of the New York Times bestseller Area 51. No one has ever written the history of the Defense Department's most secret, most powerful, and most controversial military science R&D agency. In the first-ever history about the organization, New York Times bestselling author Annie Jacobsen draws on inside sources, exclusive interviews, private documents, and declassified memos to paint a picture of DARPA, or "the Pentagon's brain," from its Cold War inception in 1958 to the present. This is the book on DARPA -- a compelling narrative about this clandestine intersection of science and the American military and the often frightening results.

Shaffer delivers an exciting, eyewitness account of fighting terrorism in Afghanistan using the military's most cutting-edge espionage tactics. Just before St. Martin's Press release of the book, The Department of Defense and the Defense Intelligence Agency, demanded the author and the publisher produce the book for review. They, and "other interested U.S. intelligence agencies" met with the author to review changes and redactions that they required be made, before the book could be published, in order to "not damage our national security, harm our troops, or harm U.S. military intelligence efforts or assets." Thus, there are sections with redactions in the final book.

AuroraSweetmanSubtitled: The Pentagons Secret Hypersonic Spyplane.Forget the rumors. Sweetman has pieced together the evidence, sightings and black budgets to reveal the Mach-5 spyplane in the most detailed accountin print. Sixty photos, conceptual drawings and informed data not only point to the existence of th e plane but also tell how it works. Sftbd., 7 1/4x 9 1/4, 96 pgs., 54 bandw ill.