| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Closing Techniques | 978-0-471-32551-2 (0-471-32551-1) | 1999 |
| Million Dollar Prospecting Techniques | 978-0-471-32550-5 (0-471-32550-3) | 1999 |
| Million Dollar Selling Techniques | 978-0-471-32549-9 (0-471-32549-X) | 1999 |