William James’s The Principles of Psychology is the cornerstone of modern psychological thought — a sweeping, deeply human exploration of how we think, feel, remember, and act. Yet its nineteenth-century style can make the original feel like a foreign language. This Modern Reader’s Edition brings James’s classic into clear, contemporary English without sacrificing the richness of his original insights. You will encounter his revolutionary ideas on the stream of consciousness, the formation of habit, the nature of the self, attention, memory, emotion, and will — all rendered in sentences that flow as naturally as James himself intended. Whether you are a student of psychology, a seeker of self-knowledge, or a curious general reader, this edition invites you to meet the master on your own terms. Part of The Modern Wisdom Library.