| ▲Título▼ | ▲C▼ | ▲Año▼ | ▲V▼ | ▲Concepto▽ |
|---|---|---|---|---|
The Real Ghostbusters - Collect Call of Cathulhu  |   | 1987 | — | Guionista (cine) |
| Red Clay |  | 2002 | — | Escritor |
| Introduction (to "Shadows over Baker Street") (junto a John Pelan) |   | 2003 | — | Escritor |
| The Adventure of the Arab's Manuscript | | 2003 | 5.00 | Escritor |
