| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2014 | 978-1-940532-00-4 | Teresa Perrin | Essential Math Skills, Preparation for High School Equivalency Tests |
| '' | 978-1-940532-01-1 | '' | Essential Reading Skills, Preparation for High School Equivalency Tests |
| '' | 978-1-940532-02-8 | '' | Essential Writing and Language Skills, Preparation for High School Equivalency Tests |