HarperCollins · Hawkes Learning Systems
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| College Algebra | 978-1-932628-27-2 | 2008 | |
| College Algebra | 978-0-918091-70-3 | 2003 | |
| College Algebra Bundled with Hawkes Learning Systems: | 978-0-918091-71-0 | 2003 | |
| Precalculus | 978-0-918091-92-5 | 2006 | |
| Precalculus | 978-0-918091-99-4 | 2006 | Thom Clark |
| Pre Calculus by Paul Sisson | 978-0-918091-89-5 | 2006 | |
| Pre Calculus - Textbook Only | 978-0-00-806594-2 | 2006 | |