| △Título▼ | ▲C▼ | ▲Año▼ | ▲V▼ | ▲Concepto▼ |
|---|---|---|---|---|
| H.P. Lovecraft and the Necronomicon |   | 1998 | — | Escritor |
| The Hastur Mythos: The King in Yellow Tarot Deck (junto a John Tynes) |   | 1999 | — | Escritor |
| History of the Necronomicon |  | 1994 | — | Escritor |
| Introduction (to "The Necronomicon Files") | | 1998 | — | Escritor |
| Languages and Scripts (junto a Keith Herber) |  | 2000 | — | Escritor |
| The Library of Averoigne | | 2005 | — | Escritor |
| Locations of the Necronomicon | | 1994 | — | Escritor |
| "Many a Quaint and Curious Volume..." The Necronomicon Made Flesh | | 1998 | — | Escritor |
| Meet the Walsh Family | | 2013 | — | Escritor |
| Mysterious Manuscripts:The Monongahela Carver Cipher |  | 2011 | — | Escritor |
| Mysterious Places | | 2000 | — | Escritor |
| Needles |  | 2014 | — | Escritor |
| Secret Cults | | 2000 | — | Escritor |
| Starting Your Call of Cthulhu Campaign | | 2013 | — | Escritor |
| Timeline of the Mythos | | 1998 | — | Escritor |
| Translation and Transcribing: Rules for Cthulhu Dark Ages | | 2005 | — | Escritor |
| The True History of Friedrich Wilhem Von Juntz (junto a Steven Marc Harris y Sascha Hillenbrand) | | 2006 | — | Escritor |
