| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2003 | 978-0-9740792-0-2 | Michael E. Gray | Auto Upkeep: Basic Car Care |
| 2007 | 978-0-9740792-1-9 | Michael E. Gray · Linda E. Gray | Auto Upkeep: Basic Car Care, Maintenance, and Repair |
| '' | 978-0-9740792-2-6 | '' | Auto Upkeep: Basic Car Care, Maintenance, and Repair (Workbook) |