| ▲Título▼ | ▲C▼ | △Año▼ | ▲V▼ | ▲Concepto▼ |
|---|---|---|---|---|
| The Watchers of Easter Island |   | 1982 | — | Escritor |
| The Asylum | | 1983 | 6.00 | Escritor |
| The Auction | | 1983 | 7.33 | Escritor |
| Creatures of the Mythos ("Ye Booke of Monstres") (junto a Scott David Aniolowski, Fred Behrendt, John Carnahan et al.) |  | 1994 | — | Escritor |
| Creatures of the Mythos ("Ye Booke of Monstres II") (junto a Phil Anderson, Marion Anderson, Bill Barton et al.) | | 1995 | — | Escritor |
| Creatures of the Mythos ("The Creature Companion") (junto a Scott David Aniolowski, Shannon Appelcline, Bill Barton et al.) | | 1998 | — | Escritor |
| Deities of the Mythos ("The Creature Companion") (junto a Phil Anderson, Marion Anderson, Scott David Aniolowski et al.) | | 1998 | — | Escritor |
| Deities of the Mythos ("Malleus Monstrorum") (junto a Phil Anderson, Marion Anderson, Scott David Aniolowski et al.) | | 2006 | — | Escritor |
