Paul R. Gregory 
Lenin’s Brain and Other Tales from the Secret Soviet Archives [PDF ebook] 

An enlightening look into the once-secret Soviet state and party archives that Western scholars first gained access to in the early 1990s. Paul Gregory breaks down a decades-old wall of secrecy to reveal intriguing new information on such subjects as Stalin’s Great Terror, the day-to-day life of Gulag guards, the Soviet invasion of Afghanistan, the scientific study of Lenin’s brain, and other fascinating tales.