- Sex and the Enneagram: A Guide to Passionate Relationships for the 9 Personality Types
- Finding Your Feet: How the Sole Reflects the Soul
- The Enneagram of Eating: How the 9 Personality Types Influence Your Food, Diet, and Exercise Choices
- Better Parenting with the Enneagram: Nine Types of Children and Nine Types of Parents
- What Went Wrong with Mr. Right: Why Relationships Fail and How to Heal Them






















