"The Ego and the Id" is a seminal paper by the famous Austrian psychoanalyst, Sigmund Freud. It is an in-depth exploration of the human psyche that outlines his influential theories of the psychodynamics of the id, ego, and super-ego, which would become the foundation for the development of psychoanalysis. This text is recommended for anyone with an interest in psychology or psychoanalysis, and would make for a worthy addition to any bookshelf. The chapters of volume include: 'Consciousness and the Unconscious', 'The Ego and the Super-Ego', 'The Two Classes of Instincts', and 'The Subordinate Relationships of the Ego'. First published in 1923, we are republishing this vintage book now in an affordable, modern edition - complete with a specially commissioned biography of the author.