| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2001 | 978-1-891892-11-0 | Thomas A. Freese | It Only Takes 1% to Have a Competitive Edge in Sales |
| 2004 | 978-1-891892-20-2 | Thomas A. Freese | The New Era of Salesmanship: Bringing the Art of Selling Into the 21st Century |
| '' | 978-1-891892-29-5 | '' | QBS II: Getting Deeper, Wider and More Strategic |
| 2007 | 978-1-891892-80-6 | '' | The Question Based Parent |