| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Journeyman Plumber's Exam Flashcard Study System: Plumber's Test Practice Questions & Review for the Journeyman Plumber's Exam | 978-1-61072-570-5 | 2013 | Plumber's Exam Secrets Test Prep Team |
| Journeyman Plumber's Exam Secrets Study Guide: Plumber's Test Review for the Journeyman Plumber's Exam | 978-1-61072-569-9 | 2013 | " |
| Journeyman Plumber's Exam Secrets Study Guide: Plumber's Test Review for the Journeyman Plumber's Exam | 978-1-61073-420-2 | 2013 | " |
| Master Plumber's Exam Flashcard Study System: Plumber's Test Practice Questions & Review for the Master Plumber's Exam | 978-1-61072-572-9 | 2013 | " |
| Master Plumber's Exam Secrets Study Guide: Plumber's Test Review for the Master Plumber's Exam | 978-1-61072-571-2 | 2013 | " |
| Master Plumber's Exam Secrets Study Guide: Plumber's Test Review for the Master Plumber's Exam | 978-1-61073-457-8 | 2013 | " |