The Enneagram is an ancient tool for personality typing made popular by the Fourth Way movement as well as Jesuit sects in the early 20th century. This extensive guide explores and explains every aspect of the Enneagram, including its origin, history, and contemporary use. It offers a full explanation of the nine different personality categories located on the Enneagram and the attributes, passions, and vices to which they correspond, as well as information on the location and meaning of stress points and security points. Complete and insightful, this is a comprehensive study of a fascinating tool for self discovery.