| ▲Título▼ | △C▼ | ▲Año▼ | ▲V▼ | ▲Concepto▼ |
|---|---|---|---|---|
| Books and Sanity: Alternate Rules |   | 2000 | — | Escritor |
| Keeper's Lore | | 1998 | — | Escritor |
| Ek'Be: The Black Road |  | 1997 | — | Escritor |
| Ek'Way: The Black Portal | | 1997 | — | Escritor |
| II: Black Hills, Blackest Secrets | | 1998 | — | Escritor |
| A Little Knowledge (junto a David Conyers y David Grilla) | | 2005 | — | Escritor |
| No Man's Land | | 1998 | — | Escritor |
| Whispers out of Mind | | 1996 | — | Escritor |
| Appendices (to "Miskatonic University") |  | 2005 | — | Escritor |
| Deities of the Mythos ("Malleus Monstrorum") (junto a Phil Anderson, Marion Anderson, Scott David Aniolowski et al.) | | 2006 | — | Escritor |
| Getting an Education | | 2005 | — | Escritor |
| Introduction (to "Miskatonic University") | | 2005 | — | Escritor |
| Miskatonic Secrets (junto a David Grilla) | | 2005 | — | Escritor |
| Miskatonic University (junto a David Conyers y David Grilla) | | 2005 | — | Escritor |
| People on Campus (junto a David Conyers y David Grilla) | | 2005 | — | Escritor |
| The Soldier's Lot | | 1998 | — | Escritor |
| Introduction (to "No Man's Land") |  | 1998 | — | Escritor |
