Intelligence: From Secrets to Policy (Mark M. Lowenthal)
Executive Secrets: Covert Action and the Presidency ( William J. Daugherty)
Blind Man’s Bluff – The Untold Story of American Submarine Espionage (Sontag and Drew)
Deep Black – The Startling Truth Behind America’s Top-Secret Spy Satellites (William E. Burrows)
Body of Secrets – Anatomy of the Ultra-Secret NSA (James Bamford)
The U.S. Intelligence Community (Jeffrey T. Richelson)
The Bureau and the Mole (David A. Vise)