| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1991 | 978-0-9630968-1-4 | John E Halbert | The tacky manager |
| 1996 | 978-0-9630968-2-1 | Marjorie Halbert | Releasing the Inner Voice: A Guide for Singers |
| 2003 | 978-0-9630968-5-2 | Christy Halbert | The Ultimate Boxer: Understanding the Sport and Skills of Boxing |