This is an article written and published by the Central Intelligence Agency in its in-house organ "Studies in Intelligence." It is a review of the credible non-fiction works by various authors regarding intelligence matters from the 1960s through the early 1990s and the impact these books had on the intelligence agencies, operatives and governments involved. The hunt for KGB moles in the CIA, James Angleton, Spycatcher, Leslie Bennett and the Royal Canadian Mounted Police (RCMP) Security Service, Lee Harvey Oswald and the KGB and among other notable and interesting tales of intelligence are discussed.