- Performer - the Sanguine-Melancholy Workbook : How to Develop Your Natural Tendencies and Deal with Your Strengths and Weaknesses Biblically
- Inspector - the Phlegmatic-Choleric Workbook : How to Develop Your Natural Tendencies and Deal with Your Strengths and Weaknesses Biblically
- Harmonizer - the Phlegmatic-Sanguine Workbook : How to Develop Your Natural Tendencies and Deal with Your Strengths and Weaknesses Biblically
- Sanguine-Choleric Workbook: The Negotiator Pattern: How To Develop Your Natural Tendencies and Deal With Your Strengths and Weaknesses Biblically
- Instructor - the Melancholy-Choleric Workbook : How to Develop Your Natural Tendencies and Deal with Your Strengths and Weaknesses Biblically






