- McGraw-Hill's GEDJerry Howett
- Basic Skills With MathJerry Howett
- McGraw-Hill's GED Mathematics Book w/CD-ROMJerry Howett
- GED preparation for the high school equivalency examinationJerry Howett
- Basic Skills With Math Geometry (Basic Skills with Math)Jerry Howett
- Contemporary's Number Power, 2 (Number Power)Jerry Howett
- Contemporary's number powerJerry Howett
- Contemporary's number power 2Jerry Howett
- Basic Skills With Decimals and PercentsJerry Howett
- Jamestown's Number PowerJerry Howett
- New Revised Cambridge Ged ProgramJerry Howett
- McGraw-Hill's GED Mathematics WorkbookJerry Howett
- Basic Skills With Whole NumbersJerry Howett
