Creaciones
| ▲Título▼ | ▲C▼ | ▲Año▼ | △V▼ | ▲Concepto▼ |
|---|
| Foreword by Professor Westbury Illinois Carter |   | 2015 | — | Escritor |
| Fortean Events During the 1970s (junto a Scott Dorward, Martin J. Dougherty, Jason Durall et al.) |   | 2016 | — | Escritor |
| Friendlies and Hostiles (junto a Scott Dorward, Martin J. Dougherty, Jason Durall et al.) | | 2016 | — | Escritor |
| Game System ("Pulp Cthulhu") |  | 2016 | — | Escritor |
| A God's Dream (junto a Paul Fricker y Chris Lackey) |  | 2021 | — | Escritor |
| The Grand Grimoire (junto a Matthew Sanderson) | | 2017 | — | Escritor |
| The Haunting (7th edition version) (junto a Paul Fricker y Lynn Willis) | | 2016 | — | Escritor |
| The Historical West (junto a Kevin Ross) | | 2017 | — | Escritor |
| History of the Cthulhu Cult (junto a Chris Lackey) | | 2021 | — | Escritor |
| Hotel Hell (junto a Sandy Petersen) | | 2017 | — | Escritor |
| The House of Memphis (junto a Lynne Hardy y Gavin Inglis) | | 2020 | — | Escritor |
| Index (to "The Grand Grimoire of Cthulhu Mythos Magic") (junto a Matthew Sanderson) | | 2017 | — | Escritor |
| Intelligence and the Cold War (junto a Scott Dorward, Martin J. Dougherty, Jason Durall et al.) | | 2016 | — | Escritor |
| Intelligence Theatres ("Cold War") (junto a Scott Dorward, Martin J. Dougherty, Jason Durall et al.) | | 2016 | — | Escritor |
| Intersections (junto a Scott Dorward, Martin J. Dougherty, Jason Durall et al.) | | 2016 | — | Escritor |
| Introduction (to "Cthulhu Britannica") |  | 2009 | — | Escritor |
| Introduction (to "Masks of Nyarlathotep") | | 2018 | — | Escritor |
| Introduction (to "Petersen's Abominations") (junto a Sandy Petersen) | | 2017 | — | Escritor |
| Introduction (to "Pulp Cthulhu") | | 2016 | — | Escritor |
| Introduction (to "The Curse of Nineveh") | | 2015 | — | Escritor |
| Introduction (to "The Grand Grimoire of Cthulhu Mythos Magic") (junto a Matthew Sanderson) | | 2017 | — | Escritor |
| Keeper's Reference Booklet (junto a Paul Fricker) | | 2014 | — | Escritor |
| Loki's Gift (junto a Paul Fricker y Chris Lackey) | | 2021 | — | Escritor |
| La maldición de la casa Corbitt (junto a Paul Fricker, Gabriel García Soto Barrenechea y Lynn Willis) | | 2019 | — | Escritor |
| Missed Dues | | 2014 | — | Escritor |
