| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Power of Eloquence ~ Magic Key to Success in Public Speaking | 978-0-13-687657-1 (0-13-687657-9) | 1984 |
| The Power of Eloquence: Magic Key to Success in Public Speaking | 978-0-13-687640-3 (0-13-687640-4) | 1984 |