| T17 National Standard Journeyman Electrician Questions Workbook | $83.99 |
| W24 National Standard Master Plumber Questions Workbook ICC Exam | $86.99 |
| G25 Journeyman Plumber Practice Questions Workbook 2018 | $86.99 |
| F25 National Standard Journeyman Plumber Practice Questions Work | $81.99 |
| W25 National Standard Journeyman Plumber Practice Questions Work | $81.99 |
| G18 National Standard Residential Electrician Workbook ICC Exam | $81.99 |
| G24 National Standard Master Plumber Questions Workbook ICC Exam | $91.99 |
| F24 National Standard Master Plumber Questions Workbook ICC Exam | $86.99 |
| G16 National Standard Master Electrician Workbook ICC Exam 2018 | $86.99 |