| Understanding the enneagram: the practical guide to personality types | | | |
| The enneagram: a journey of self discovery | | | |
| The enneagram and prayer: discovering our true selves before God | | | |
| Homecomming: reclaiming and championing your inner child | | | |
| Personality types: using the enneagram for self-discovery | | | |
| The Road less traveled: a new psychology of love, traditional values and spiritual growth | | | |
| Why am I afraid to tell you who I am?: insights on self-awareness, personal growth and interpersonal communication | | | |
| The seasons of a man's life | | | |
| Death and its mysteries | | | |
| Death: the final stage of growth | | | |