For a look at Communist Revolution run amuck, order a copy of I Am Pol Pot. This is a fictional biography that tries to interpret Pol Pot and see how things may have looked to the rulers who planned and executed Democratic Kampuchea in what is now Cambodia. The book contains quotes from the Black Papers, one of the few books ever released by Democratic Kampuchea. It is also based on many of the records from the Central Committee of the Communist Party of Kampuchea (known as the Khmer Rouge).
This book can be ordered from Amazon.com