The Essential Enneagram: The Definitive Personality Test and Self-Discovery Guide -- Revised & Updated

The Essential Enneagram: A Comprehensive Guide to Self-Understanding, Personal Development, and the Nine Personality Types for a Better Quality of Life

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

The Road Back to You: An Enneagram Journey to Self-Discovery