Discovering Your Personality Type
Riso, Don & Hudson, Russ
Enneagram
Enneagram Made Easy
Baron, Renee & Wagele, Elizabeth
Enneagram Transformations
Riso, Don
Essential Enneagram
Daniels, David & Price, Virginia
Personality Types
The Enneagram
Parke, Simon
Understanding the Enneagram
Wisdom of the Enneagram
