Churchill's Black Dog and Other Phenomena of the Human Mind by Anthony Storr
This is a collection of essays exploring the psychoanalytical reasons behind creativity. The author looks at Freud's theory that creativity is the result of dissatisfaction, and other essays discuss why humans become violent, the psychology of jealousy and the sanity of true genius. Other books by the author include The Integrity of the Personality, The Dynamics of Creation and The School of Genius.