My Best Self: Using the Enneagram to Free the Soul

What's Your Enneatype?: Understanding the Nine Personality Types for Personal...

The Positive Enneagram: A New Approach to the Nine Personality Types

The Enneagram

Fixation to Freedom: The Enneagram of Liberation

The 16 Personality Types: Profiles, Theory, & Type Development

Search For The Real Self: Unmasking The Personality Disorders Of Our Age

The Enneagram for Teens: A Complete Guide to Self-Discovery and Spiritual Growth