Don Richard Riso

HarperOne

Personality Types: Using the Enneagram for Self-Discovery

Mariner Books

Understanding the Enneagram: The Practical Guide to Personality Types

Bantam

The Wisdom of the Enneagram: The Complete Guide to Psychological and Spiritual Growth for the Nine Personality Types

Mariner Books

Discovering Your Personality Type: The Essential Introduction to the Enneagram (English Edition)

Aracnofobia                                      

HarperOne

Enneagram Transformations: Releases and Affirmations for Healing Your Personality Type

Urano

La sabiduría del Eneagrama (Crecimiento personal) (Spanish Edition)

Simon & Schuster

The Power of the Enneagram: A New Technology of Self-Discovery

Tantor Media Inc

Personality Types: Using the Enneagram for Self-discovery

Nightingale-Conant

The Investigator: The Power of The Enneagram Individual Type Audio Recording