Trabajó para Pagan y ha creado algunos monográficos para Chaosium.
| ▲Título▼ | △C▼ | ▲Año▼ | ▲V▼ | ▲Concepto▼ |
|---|---|---|---|---|
| Yggdrasil |   | 2011 | — | Escritor |
| A Classic-era Icelandic Sourcebook (or Mysteries of Iceland?) |  | 2011 | — | Escritor |
| Deities of the Mythos ("Malleus Monstrorum") (junto a Phil Anderson, Marion Anderson, Scott David Aniolowski et al.) | | 2006 | — | Escritor |
| Patrone Mi Patrone - Six Patrons for Cthulhu Invictus (junto a Stuart Boon, Phredd Groves y Óscar Ríos) | | 2015 | — | Escritor |
| Author's Introduction and Notes |  | 2011 | — | Escritor |
| Author's Notes and Introduction | | 2007 | — | Escritor |
| The Big Picture of the Campaign | | 2011 | — | Escritor |
| Introduction (to "Fear's Sharp Little Needles") | | 2018 | — | Escritor |
Introduction and Musings on Trigger Warnings  | | 2015 | — | Escritor |
| Mysterious Manuscripts: Joy Shusterman's Basement | | 2011 | — | Escritor |
| Suggestions for Effectively Running the Campaign & Several Plot Seeds | | 2007 | — | Escritor |
| The Mark of Evil (junto a Simon Brake, Davide Como, Scott Dorward et al.) | | 2016 | — | Escritor |
