| title | ISBN-13 | year of publication |
|---|---|---|
| Direct Hits Core Vocabulary of the SAT 4th Edition | 978-1-936551-05-7 | 2012 |
| Direct Hits Core Vocabulary of the SAT 5th Edition | 978-1-936551-13-2 | 2012 |
| Direct Hits Toughest Vocabulary of the SAT 4th Edition | 978-1-936551-06-4 | 2012 |
| Direct Hits Toughest Vocabulary of the SAT 5th Edition | 978-1-936551-14-9 | 2012 |