| G18 National Standard Residential Electrician Workbook ICC Exam | $81.99 |
| W18 National Standard Residential Electrician Workbook ICC Exam | $83.99 |
| F32 National Standard Residential Mechanical Exam Workbook | $81.99 |
| 2015 Residential Building Inspector | $81.99 |
| 2018 Residential Mechanical Inspector | $81.99 |
| W16 National Standard Master Electrician Workbook ICC Exam | $83.99 |