Other ISBN range for Psi: Psi (978-2-86595-...)
| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2006 | 978-0-9739323-3-1 | Alexander Freed ยท K. Scott Agnew | Omni Eco |
| 2007 | 978-0-9739323-6-2 | Omni | Omni Ronin -OS N/D |
| 2006 | 978-0-9739323-8-6 | Morrigan Press | The Darkness: An Omni System Game |