- Measuring Customer Satisfaction (A Fifty-Minute Series Book)
- Vitamins & Minerals for a Healthy Pregnancy and a Healthy Baby
- Beyond Customer Service: Keeping Customers for Life (Crisp Fifty-Minute Books)
- Winning the Inner Game of Selling: How Sports Psychology Turns Ordinary Salespeople into Extraordinary Salespeople (50-minute Series)
- Guaranteeing Performance Improvement










