| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Unauthorized Practice Exams for CCNA | 978-0-9710350-0-3 (0-9710350-0-8) | 2001 |
| Unauthorized Practice Exams for CTT+ | 978-0-9710350-2-7 (0-9710350-2-4) | 2002 |
| XP Professional Exam 70-270 | 978-0-9710350-4-1 (0-9710350-4-0) | 2003 |