A. P. · A. Paul · Abbott P · Paul Abbott
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Understand Algebra Ty Ebk | 978-1-4441-2688-4 (1-4441-2688-1) | 2010 |
| Understand Calculus Ty Ebk | 978-1-4441-2689-1 (1-4441-2689-X) | 2010 |
| Understand Trigonometry Ty Ebk | 978-1-4441-2690-7 (1-4441-2690-3) | 2010 |