William James (1842 - 1910) was an American psychologist and philosopher. James is best-known for his development of the American philosophy of pragmatism and for his pioneering work in psychology. Topics for his books included psychology, religious psychology, educational psychology, mysticism, and pragmatism. James played a major role is the transition from 19th century European philosophy to American philosophy. Essays in this collection include The will to believe, Is life worth living, The sentiment of rationality, Reflex action and theism, The dilemma of determinism, The moral philosopher and the moral life, Great men and their environment, The importance of individuals, On some Hegelisms, and What psychical research has accomplished.