| G13 Building Contractor (C) 2018 | $81.99 |
| F31 National Standard Journeyman Mechanical Questions Workbook | $86.99 |
| F16 National Standard Master Electrician Workbook ICC Exam | $85.99 |
| G24 National Standard Master Plumber Questions Workbook ICC Exam | $91.99 |
| W12 National Standard General Building Contractor (B) | $86.99 |
| G12 Building Contractor (B) 2018 | $91.99 |
| F25 National Standard Journeyman Plumber Practice Questions Work | $81.99 |
| W18 National Standard Residential Electrician Workbook ICC Exam | $83.99 |
| W31 National Standard Journeyman Mechanical Questions Workbook | $81.99 |
| F12 National Standard General Building Contractor (B) 2015 | $88.99 |
| G25 Journeyman Plumber Practice Questions Workbook 2018 | $86.99 |
| W29 National Standard Master Mechanical Questions Workbook | $83.99 |