| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Law Enforcement Officer: Guidebook for Written Exams - 2nd Edition | 978-0-9720013-8-0 (0-9720013-8-7) | 2006 | Marcus J. Zendzian |
| Law Enforcement Officer: Situational & Judgment Questions - Practice Questions & Detailed Explanations | 978-0-9720013-7-3 (0-9720013-7-9) | 2006 | |
| Law Enforcement Officer: Test Preparation Guidebook for Oral Tests & Interviews | 978-0-9720013-2-8 (0-9720013-2-8) | 2002 | |