| ▲Título▼ | ▲C▼ | ▲Año▽ | ▲V▼ | ▲Concepto▼ |
|---|---|---|---|---|
| Uttressor (junto a Clark Ashton Smith y Richard L. Tierney) |   ? | 2002 | — | Escritor |
| The Sphinx of Abormis: The History of the Wizard Hormagor |  ? | 2002 | — | Escritor |
| The Offspring of the Tomb | ? | 2002 | — | Escritor |
| The Haunting of Uthnor | ? | 2002 | — | Escritor |
| The Face from Below: The History of Pnom the Exoercist | ? | 2002 | — | Escritor |
| The Demon of the Ring | ? | 2002 | — | Escritor |
| The Alkahest: The History of Enoycla the Alchemist | ? | 2002 | — | Escritor |
| The Epistles of Eibon (junto a Robert M. Price) | ? | 2001 | — | Escritor |
