| ▲Título▼ | ▲C▼ | ▲Año▽ | ▲V▼ | ▲Concepto▼ |
|---|---|---|---|---|
| Deities of the Mythos ("Malleus Monstrorum") (junto a Phil Anderson, Marion Anderson, Scott David Aniolowski et al.) |   | 2006 | — | Escritor |
| Through the Gate of Deeper Slumber |  | 1997 | — | Escritor |
| People of the Dreamlands (junto a K.L. Campbell-Robson y Sandy Petersen) | | 1997 | — | Escritor |
| Gods of the Dreamlands (junto a K.L. Campbell-Robson, Keith Herber y Sandy Petersen) | | 1997 | — | Escritor |
| Gazetteer of the Moon (junto a Shannon Appelcline, Sandy Petersen y Kevin Ross) | | 1997 | — | Escritor |
| Gazetteer of the Dreamlands | | 1997 | — | Escritor |
| Evoking the Atmosphere of Dreams | | 1997 | — | Escritor |
| The Dreamlands Grimoire | | 1997 | — | Escritor |
| The Dreamlands Bestiary (junto a Scott David Aniolowski, K.L. Campbell-Robson, Larry DiTillio et al.) | | 1997 | — | Escritor |
| The Dream-Quest of Randolph Carter |   | 1997 | — | Escritor |
| Authors' Introduction | | 1997 | — | Escritor |
