- Developing Positive Assertiveness (Fifty-Minute Series)
- Crisp: Accountability: Managing for Maximum Results (Crisp 50-Minute Book)
- Crisp: Developing Positive Assertiveness, Third Edition: Practical Techniques for Personal Success (Fifty-Minute Series.)
- Self-Empowerment: Getting What You Want from Life (Fifty-Minute Series)
- Leading Teams: The Skills for Success (Ami How-To)