| ▲Título▼ | ▲C▼ | ▲Año▼ | ▲V▼ | △Concepto▼ |
|---|---|---|---|---|
| Creatures of the Mythos ("Ye Booke of Monstres II") (junto a Marion Anderson, Phil Anderson, Bill Barton et al.) |   | 1995 | — | Escritor |
| Deities of the Mythos ("Malleus Monstrorum") (junto a Marion Anderson, Phil Anderson, Scott David Aniolowski et al.) | | 2006 | — | Escritor |
| Deities of the Mythos ("The Creature Companion") (junto a Marion Anderson, Phil Anderson, Scott David Aniolowski et al.) | | 1998 | — | Escritor |
| Menace from Sumatra (junto a Earl Geier y Lynn Willis) |  | 1991 | — | Escritor |
