Ennea-type Structures: Self-Analysis for the Seeker (Consciousness Classics)
The Complete Enneagram: 27 Paths to Greater Self-Knowledge
Facets of Unity: The Enneagram of Holy Ideas
The Art of Typing: Powerful Tools for Enneagram Typing
The Spiritual Dimension of the Enneagram: Nine Faces of the Soul
The Enneagram of Passions and Virtues: Finding the Way Home
The Enneagram of Society: Healing the Soul to Heal the World (Consciousness Classics)
The Wisdom of the Enneagram: The Complete Guide to Psychological and Spiritual Growth for the Nine Personality Types
The Essential Enneagram: The Definitive Personality Test and Self-Discovery Guide -- Revised & Updated
The Expressive Body in Life, Art, and Therapy: Working with Movement, Metaphor and Meaning