| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Vocabulary Energizers II: Stories of Word Origins | 978-0-929166-02-5 (0-929166-02-7) | 1990 |
| Vocabulary Energizers: Stories of Word Origins | 978-0-929166-01-8 (0-929166-01-9) | 1988 |
| Vocabulary Power Through Shakespeare | 978-0-929166-03-2 (0-929166-03-5) | 2002 |