| title | ISBN-13 (ISBN-10)  | year of publication | 
|---|---|---|
| Question Marathon: 626 Questions for the SAT Mathematics Level 2 Subject Test | 978-0-9984841-8-1 (0-9984841-8-0)  | 2017 | 
| Vocabulary Workout for the SAT/ACT: Complete Edition | 978-0-9984841-0-5 (0-9984841-0-5)  | 2017 |