| title | ISBN-13 | year of publication |
|---|---|---|
| CLEP Biology Study Guide - Ace the CLEP | 978-1-61433-094-3 | 2011 |
| CLEP English Literature Test Study Guide | 978-1-61433-289-3 | 2016 |
| CLEP Human Growth and Development Test Study Guide | 978-1-61433-288-6 | 2016 |
| CLEP Information Systems and Computer Applications Test Study Guide | 978-1-61433-283-1 | 2016 |
| CLEP Introductory Psychology Test Study Guide | 978-1-61433-280-0 | 2016 |
| CLEP Introductory Sociolgy Study Guide | 978-1-61433-279-4 | 2016 |
| CLEP Natural Sciences Test Study Guide | 978-1-61433-282-4 | 2016 |
| French CLEP Test Study Guide | 978-1-61433-287-9 | 2016 |