| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| 3-2-1 Code It! | 978-1-111-32064-5 (1-111-32064-0) | 2009 | Michelle A. Green · Lynette M. Williamson |
| CD for Green/Williamson/Clifford's Workbook for Green's 3-2-1 Code It!, 2nd | 978-1-111-32246-5 (1-111-32246-5) | 2009 | Michelle A. Green · Lynette M. Williamson |
| Workbook for Green's 3-2-1 Code It!, 2nd | 978-1-4354-4825-4 (1-4354-4825-1) | 2009 | Michelle A. Green · Lynette M. Williamson |