Dungeons & Dragons product line, TSR
- * The Magic of Faerun, co-author; 2000
Changeling: The Dreaming product line, White Wolf Publishing & ArtHaus Publishing
- * Pooka Kithbook, ArtHaus Publishing; 1999
- * Inanimae: The Secret Way, contributing author; 1998
- * Satyr Kithbook, 1997
- * Player's Guide, contributing author, 1997
- * Second Edition, contributing author, 1997
- * Storyteller's Guide, contributing author; 1995
- * Shadows on the Hill, contributing author; 1995
Mage: The Ascension product line, White Wolf Publishing
- * Manifesto, co-author, December 2002
- * Hollow Ones Sourcebook, co-author, June 2002
- * Mage Revised, contributing author, 1999
- * The Bygone Bestiary, contributing author, 1998
- * Technomancer's Toybox, contributing author, 1997
- * Beyond the Barriers, contributing author, 1996
Vampire: The Masquerade product line, White Wolf Publishing
- * Sins of the Blood, co-author, 2001
- * World of Darkness, Vol. II, contributing author; 1996
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EverQuest Role-Playing Game product line, White Wolf Publishing
- * Monsters of Norrath, co-author, August 2002
- * Player's Handbook, co-author, July 2002
Hunter: The Reckoning product line, White Wolf Publishing
- * Defender Sourcebook, co-author; 1999
- * Survival Guide, contributing author; 1999
- * Hunter: The Reckoning, contributing author; 1999
Millennium's End product line, Chameleon Eclectic
- * The Medellín Agent, co-author; 1997
- * Overlay Accessory Kit, contributing author; 1994
Earthdawn product line, FASA Corporation
- * Magic, contributing author; 1995
- * Legends of Earthdawn, contributing author; 1995
Miscellaneous
- * Aberrant: Project Utopia, White Wolf Publishing, contributing author; 1999
- * Deadlands: Marshall Law, Pinnacle Entertainment Group, contributing author, 1996
- * World of Necroscope: Book of Adventures, West End Games, contributing author; 1995
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