| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Stop, Ask, and Listen: Proven Sales Techniques to Turn Browsers Into Buyers | 978-0-470-83367-4 (0-470-83367-X) | 2004 |
| The Secrets of Power Selling: 101 Tips to Help You Improve Your Sales Results | 978-0-470-83942-3 (0-470-83942-2) | 2007 |