Dianetics has remained a bestseller for more than 50 years. And with over 20 million copies in print, generating a movement that spans virtually every country on Earth, it's indisputably the most widely read and influential book ever written about the human mind. Here is the anatomy and full description of the Reactive Mind, the previously unknown source of nightmares, unreasonable fears, upsets and insecurities which enslave Man. This book shows you how to get rid of it, and so achieve something Man has previously only dreamed of: the State of Clear.