| ▲Título▼ | △C▼ | ▲Año▼ | ▲V▼ | ▲Concepto▼ |
|---|---|---|---|---|
| Act III - And the Dogs Shall Know You (junto a Bob Gallagher, Steve Rawling y Ed Wimble) |   | 1983 | — | Escritor |
| Act I - Into the Throat of the Beast (junto a Bob Gallagher, Steve Rawling y Ed Wimble) | | 1983 | — | Escritor |
| Act II - The Wanderer (junto a Bob Gallagher, Steve Rawling y Ed Wimble) | | 1983 | — | Escritor |
| Deities of the Mythos ("Malleus Monstrorum") (junto a Marion Anderson, Phil Anderson, Scott David Aniolowski et al.) |  | 2006 | — | Escritor |
