W. K. ยท Willy Kosak
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| 4JC Complete Review for SAT* Math, 2011-2012: Learn from examples. Master through practice. Achieve higher scores. | 978-0-9868743-1-4 (0-9868743-1-0) | 2011 |
| 4JC Complete Review for SAT* Math, 2011: Learn from examples. Master through practice. Achieve higher scores. | 978-0-9868743-0-7 (0-9868743-0-2) | 2011 |
| 4JC Complete Review for SAT* Math, 2014-2015: Learn from examples. Master through practice. Achieve higher scores.. | 978-0-9868743-2-1 (0-9868743-2-9) | 2013 |