| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| How to Become a Mystery Shopper: The Only Book You'll Ever Need | 978-0-9777365-0-8 (0-9777365-0-4) | 2006 |
| How to Become a Mystery Shopper, The Only Book You'll Ever Need, Expanded & Updated Second Edition | 978-0-9777365-1-5 (0-9777365-1-2) | 2008 |
| How to Become a Mystery Shopper Your Complete Guide to Secret Shopping | 978-0-9777365-2-2 (0-9777365-2-0) | 2014 |