| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Practical Handbook for Private Investigators | 978-0-8493-0290-9 (0-8493-0290-0) | 2001 |
| Practical Handbook for Professional Investigators | 978-0-367-86681-5 (0-367-86681-1) | 2019 |
| Practical Handbook for Professional Investigators, Second Edition | 978-0-8493-7045-8 (0-8493-7045-0) | 2007 |
J.M. · R.J. · R. M. · R. McMahon · Rory J. McMahon CLI CFE