| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Improve Your American English Accent Medical English with Three Audio CDs | 978-0-07-176781-1 (0-07-176781-9) | 2011 |
| Improve Your American English Accent: Overcoming Major Obstacles to Understanding | 978-0-07-142809-5 (0-07-142809-7) | 2003 |