| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Gre Mathematics Test Secrets Study Guide: Gre Subject Exam Review for the Graduate Record Examination | 978-1-60971-859-6 (1-60971-859-3) | 2010 |
| Gre Physics Test Secrets Study Guide: Gre Subject Exam Review for the Graduate Record Examination | 978-1-60971-860-2 (1-60971-860-7) | 2010 |