| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| GRE Flashcard Study System: GRE General Test Practice Questions & Exam Review for the Graduate Record Examination | 978-1-60971-857-2 (1-60971-857-7) | 2013 |
| GRE Prep 2019 & 2020: GRE Secrets Study Book & Test Prep Questions for the Graduate Record Examination | 978-1-5167-1047-8 (1-5167-1047-9) | 2019 |
| GRE Secrets Study Guide: GRE Revised General Test Review for the Graduate Record Examination | 978-1-60971-854-1 (1-60971-854-2) | 2013 |