Enneagram Resources
Books
InsideOut Enneagram: The Game Changing Guide for Leaders, by Wendy Appel, 2011
Personality Types: Using the Enneagram for Self-Discovery, by Don Riso and Russ Hudson, 1996
The Wisdom of the Enneagram: The Complete Guide to Psychological and Spiritual Growth for the Nine Personality Types, by Don Riso and Russ Hudson, 1999
Understanding the Enneagram: The Practical Guide to Personality Types, by Don Riso and Russ Hudson, 2000
The Essential Enneagram: The Definitive Personality Test and Self-Discovery Guide, by David Daniels, and Virginia Price, 2009
Deep Coaching: Using the Enneagram as a Catalyst for Profound Change, by Roxanne Howe-Murphy, 2007
Deep Living: Transforming Your Relationship to Everything That Matters through the Enneagram, by Roxanne Howe-Murphy, 2013
Websites
The Enneagram Institute: www.enneagraminstitute.com
Enneatype, The Career Within You: www.enneatype.com
Deep Coaching Institute, www.deepcoachinginstitute.com
Helen Palmer, www.enneagram.com