| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Plant Operator Selection System Practice Questions: POSS Practice Tests & Exam Review for the Plant Operator Selection System | 978-1-5167-0056-1 (1-5167-0056-2) | 2015 |
| Plant Operator Selection System Secrets Study Guide: POSS Test Review for the Plant Operator Selection System | 978-1-61072-579-8 (1-61072-579-4) | 2016 |
| Plant Operator Selection System Secrets Study Guide: POSS Test Review for the Plant Operator Selection System | 978-1-61403-346-2 (1-61403-346-3) | 2013 |