Sigmund Freud 
Three Essays on the Theory of Sexuality (One of Freud’s Three Immortal Masterpieces) (Exquisitely Illustrated Edition) 

What is parasexuality? Can children have sexual desire? Why do men love "bad" women? What can affect our choice of sexual partners? As a sex book of enlightenment for adults, Three Essays on the Theory of Sexuality answers all our puzzles about sex. This book can be regarded as a psychological work that keeps pace with The Interpretation Of Dreams. It is a masterpiece that reveals the secret of human sex psychology and gathers all the remarkable essays on the theory of sexuality of Freud in his lifetime. Essays that are not included in most editions, such as Modern Sexual Morality and Modern Nervousness, On Narcissism: An Introduction and The Sexual Enlightenment of Children, are included in this book. The translation of the Three Essays on the Theory of Sexuality has been combed and polished repeatedly by the translator in order to be closer to readers and help you to understand it definitely.