Dream Psychology by Sigmund Freud is a textbook on psychoanalytic dream interpretation according to the famous Austrian psychologist. Psychoanalytic dream interpretation is the process of explaining the meaning of the way unconscious thoughts and emotions are processed in the mind during sleep. Excerpt: "DREAMS HAVE A MEANING 1 II THE DREAM MECHANISM 24 III WHY THE DREAM DISGUISES THE DESIRES 57 IV DREAM ANALYSIS 78 V SEX IN DREAMS 104 VI THE WISH IN DREAMS 135 VII THE FUNCTION OF THE DREAM 164 VIII THE PRIMARY AND SECONDARY PROCESS—REGRESSION 186 IX THE UNCONSCIOUS AND CONSCIOUSNESS—REALITY."