| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1988 | 978-0-929166-01-8 | David Popkin | Vocabulary Energizers: Stories of Word Origins |
| 1990 | 978-0-929166-02-5 | '' | Vocabulary Energizers II: Stories of Word Origins |
| 2002 | 978-0-929166-03-2 | '' | Vocabulary Power Through Shakespeare |