| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1997 | 978-1-890670-06-1 | Glenn G. Boyer | Who Was Big Nose Kate? (Wyatt Earp: Family, Friends & Foes, Vol. 1) |
| '' | 978-1-890670-07-8 | Glenn G. Boyer | Suppressed Murder of Wyatt Earp |
| '' | 978-1-890670-08-5 | '' | Wyatt Earp, Family, Friends & Foes, Vol.II. Who Was Sheriff Johnny Behan? |
| 978-1-890670-10-8 | Curly Bill Has Been Killed at Last (Wyatt Earp: Family, Friends and Foes, Vol. 4) | ||
| 1997 | 978-1-890670-11-5 | Who Killed John Ringo? (Wyatt Earp: Family, Friends & Foes, Vol. 5) | |