Two world-renowned psychologists, Marie-Louise von Franz and James Hillman, give detailed accounts of C. G. Jung's personality types. In her essay, "The Inferior Function, " Marie-Louise von Franz shows the inferior shadow side of each of the eight kinds of typical functioning, while James Hillman differentiates in his essay, "The Feeling Function, " genuine feeling from look-alikes and substitutes. Both essays are a rich source of ideas for study and an enjoyable guide for self-discovery. Full of psychological insights into personal habits, temperaments, and character.