| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1998 | 978-1-887990-06-6 | Joseph Cochran · Charles Ryan · Zeke Sparks | The Babylon Project Earthforce Sourcebook: A Supplement for the Roleplaying Game, Based on Babylon 5 |
| '' | 978-1-887990-08-0 | Joseph Cochran · Charles Ryan · J. J. Kelley | Earth Colonies Source Sourcebook: A Supplement for the Roleplaying Game Based on Babylon 5 |
| 978-1-887990-09-7 | Charles Ryan · Angel McCoy | The Medellín Agent (Millennium's End) |