The works and thoughts of Sigmund Freud has been scaring people for years. All his talk about Id, ego, and Super-Ego is enough to send some people running to their mothers. But Freud doesn't have to be complicated This short book looks at Freud's most popular theories (like the unconscious mind, the mechanism of repression, dream psychology, the Id, Ego and Super-Ego, and, of course, penis envy ) and puts it in language that anyone can understand. It's the perfect introduction for people interested in psychology, or students struggling to understand key concepts.