| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Algebra Puzzlers | 978-0-7682-0101-7 (0-7682-0101-2) | 1998 |
| Algebra: Skill Practice and Assessment for Middle/High School | 978-0-88724-935-8 (0-88724-935-3) | 2003 |
| CD-4323 - PRE-ALGEBRA SKILL FOR SUCCESS | 978-0-88724-952-5 (0-88724-952-3) | 2003 |