| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2000 | 978-0-9718039-1-6 | Portfolio: Helmut Kuhn - Fine Art Photography | |
| 2004 | 978-0-9718039-7-8 | Tom Butler | Smart Selling! Your Roadmap to Becoming a Top Performer |
| 2005 | 978-0-9718039-8-5 | Tom Butler | Profitable Trade Show Exhibiting |