| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| YOU ARE NOT THE CENTER OF THE UNIVERSE AND OTHER INSIGHTS INTO COMMUNICATION | 978-0-7575-1570-5 (0-7575-1570-3) | 2005 |
| YOU ARE NOT THE CENTER OF THE UNIVERSE AND OTHER INSIGHTS INTO INTERPERSONAL COMMUNICATION | 978-0-7575-4682-2 (0-7575-4682-X) | 2007 |