For Further Reading, GlobalSecurity.org Recommends...

Intelligence
The U.S. Intelligence Community A comprehensive text on nearly every aspect of the US intelligence community, this is a must have book.	A Century of Spies: Intelligence in the Twentieth Century An engrossing history of espionage in the 20th Century.	America's Space Sentinels: DSP Satellites and National Security A detailed history of the Defense Support Program from Midas through the 21st Century	The Wizards of Langley: Inside the CIA's Directorate of Science and Technology An interesting account of the CIA's S&T directorate	The Puzzle Palace: Inside the National Security Agency, America's Most Secret Intelligence Organization By far the best book on NSA, the government tried to stop it from hitting the bookstores, if you don't have this book, stop whatever your doing and buy it from BN.com now!!!
Body of Secrets: Anatomy of the Ultra-Secret National Security Agency from the Cold War through the Dawn of a New Century Bamford's second book on NSA, expanding on what we learned in the Puzzle Palace, brings to light new information, highly controversial chapter on the USS Liberty incident.	MI6 : Inside the Covert World of Her Majesty's Secret Intelligence Service A fifty-year history of Britain's MI6.	To Fool a Glass Eye: Camouflage Versus Photoreconnaissance in World War II A wonderful book of the lengths that militaries went to prevent the enemy from knowing what was going on.