| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Brave questions: Building stronger relationships by asking all the right questions | 978-0-9656833-2-6 (0-9656833-2-X) | 2015 |
| Pivot: How One Simple Turn in Attitude Can Lead to Success | 978-0-9773089-0-3 (0-9773089-0-1) | 2006 |
| The Service Payoff: How Customer Service Champions Outserve and Outlast the Competition | 978-1-937125-00-4 (1-937125-00-9) | 2011 |
A. Z. · A. Zimmerman · Alan Zimmerman · D.A. · Dr Alan · Dr. Z
Peak Performance Publishers · Peak Performance Publishing · WND Books