Swedish scientist and theologian Emanuel Swedenborg (1688-1772) devoted his life to exploring the mysteries of the soul. Scattered throughout his theological works is a description of a complex system of interaction between our "natural" minds (our everyday thoughts and feelings) and our spiritual minds, which are in touch with the divine. This book takes those scattered descriptions and weaves them into a coherent system that is invaluable for understanding Swedenborg's thought -- and our own.