Sigmund Freud's theories on the unconscious revolutionised the way we approach human behaviour. This illustrated book provides an accessible and entertaining guide to Freud's life and ideas, including psychosexual development, the ego, id and superego, and dream analysis. Featuring simple bullet-pointed summaries at the end of each chapter and fact boxes to highlight key information, Knowledge in a Nutshell: Sigmund Freud is the perfect introduction to the great psychoanalyst and his ideas