| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2001 | 978-0-9711967-3-5 | Joseph Greeny · Kerry Patterson · Ron McMillan · Al Switzler | Crucial Conversations Audio Mastery Course |
| '' | 978-0-9711967-4-2 | Joseph Grenny · Kerry Patterson · Ron McMillan · Al Switzler | Crucial Conversations Audio Mastery Course |
| 2004 | 978-0-9711967-7-3 | Joseph Grenny | Audio Mastery Course: Crucial Conversations (Crucial Conversations) |