| 2015 Residential Plumbing Inspector | $76.99 |
| G18 National Standard Residential Electrician Workbook ICC Exam | $76.99 |
| F31 National Standard Journeyman Mechanical Questions Workbook | $81.99 |
| F29 National Standard Master Mechanical Questions Workbook | $81.99 |
| G24 National Standard Master Plumber Questions Workbook ICC Exam | $86.99 |
| 2012 Commercial Plumbing Inspector | $81.99 |