Personality Types: Using the Enneagram for Self-Discovery

Don Richard Riso, M.A., is the most widely published and the bestselling author of books on the Enneagram. This is the revised and expanded edition of the classic on understanding the human personality--more than 150,000 copies sold! In addition to updating the descriptions of the nine personality types, this book uncovers the Core Dynamics, or Levels of Development, within each type.

Don Richard Riso, M.A. is the foremost writer and developer of the Enneagram in the world today. The most-published and best-selling author in the field, he is an internationally recognized authority on the subject. He is the president of Enneagram Personality Types, Inc., and founder of The Enneagram Institute. He has been teaching the Enneagram for more than twenty years, pioneering a revolutionary new approach to ego psychology through his 1977 discovery of the Levels of Development. His four best-selling books are available in British, German, Italian, Japanese, Chinese, Korean, Spanish, and French editions. Mr. Riso was a Jesuit for thirteen years, holds degrees in English and philosophy, was elected to the Jesuit Honor Society, Alpha Sigma Nu, and was a Ford Foundation Fellow at Stanford University in communications (social psychology).