| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Communication Skits | 978-0-13-153569-5 (0-13-153569-2) | 1982 |
| Crazy Idioms: A Conversational Idiom Book | 978-0-02-425361-3 (0-02-425361-8) | 1990 |
| Say What You Feel: A Conversational Listening Book | 978-0-02-425331-6 (0-02-425331-6) | 1990 |