| Roleplaying Game Credits: |
| |
| Book | | Publisher | | Credit |
| Call of Cthulhu, 6th Ed. (2004) | | Chaosium | | Author |
| H.P. Lovecraft's Dreamlands (Call of Cthulhu) (2004) | | Chaosium | | Author |
| Men of the Sea: Sailor Heroes of Glorantha (HeroQuest) (2004) | | Issaries, Inc. | | Original Material |
| HeroQuest Voices (2003) | | Issaries, Inc. | | Author |
| Call of Cthulhu Roleplaying Game (Call of Cthulhu d20) (2002) | | Wizards of the Coast | | Original Design |
| Gloranthan Classics Volume III: Cult Compendium (RuneQuest) (2002) | | Moon Design Publications | | Contributor |
| Griffin Mountain, 2nd. Ed. (RuneQuest) (2001) | | Moon Design Publications | | Additional Material |
| Revealed Mythologies (Glorantha) (2001) | | Issaries, Inc. | | Sections |
| Storm Tribe: The Cults of Sartar (Hero Wars) (2001) | | Issaries, Inc. | | Source Material |
| Uz: The Trolls of Glorantha (Hero Wars) (2001) | | Unspoken Word, The | | Source Material |
| Keeper's Companion, Volume 1 (Call of Cthulhu) (2000) | | Chaosium | | Author |
| Pavis & Big Rubble, 2nd Ed. (RuneQuest) (1999) | | Moon Design Publications | | Author |
| Pavis & Big Rubble, 2nd Ed. (RuneQuest) (1999) | | Moon Design Publications | | Additional Editing |
| Call of Cthulhu, ver. 5.5 (1998) | | Chaosium | | Original Material |
| Creature Companion (Call of Cthulhu) (1998) | | Chaosium | | Additional Design |
| Missing Lands, The (Glorantha) (1998) | | Issaries, Inc. | | Author |
| A Rough Guide to Glamour (Glorantha) (1997) | | Reaching Moon Megacorp | | Author |
| Complete Masks of Nyarlathotep, Third Edition (Call of Cthulhu) (1996) | | Chaosium | | Contributing Author |
| 1990's Handbook (Call of Cthulhu) (1995) | | Chaosium | | Author |
| Lords of Terror (RuneQuest) (1994) | | Avalon Hill | | Author |
| Dorastor, Land of Doom (RuneQuest) (1993) | | Avalon Hill | | Contributor |
| Dorastor, Land of Doom (RuneQuest) (1993) | | Avalon Hill | | Design |
| Shadows on the Borderland (RuneQuest) (1993) | | Avalon Hill | | Thanatar Cult |
| Call of Cthulhu, 5th Ed. (1992) | | Chaosium | | Author |
| River of Cradles (RuneQuest) (1992) | | Avalon Hill | | Contributing Design |
| Sun County (RuneQuest) (1992) | | Avalon Hill | | Contributor |
| Elder Secrets (RuneQuest) (1989) | | Avalon Hill | | Author |
| Elfquest, 2nd Ed. (1989) | | Chaosium | | Graphic Design, Typesetting and Production |
| Elfquest, 2nd Ed. (1989) | | Chaosium | | Additional Material |
| Haunted Ruins, The (RuneQuest) (1989) | | Avalon Hill | | Author |
| Genertela, Crucible of the Hero Wars (RuneQuest) (1988) | | Avalon Hill | | Author |
| Genertela, Crucible of the Hero Wars (RuneQuest) (1988) | | Avalon Hill | | Editing |
| H P Lovecraft's Dreamlands (Call of Cthulhu) (1988) | | Chaosium | | Project |
| H P Lovecraft's Dreamlands (Call of Cthulhu) (1988) | | Chaosium | | Author |
| Into the Troll Realms (RuneQuest) (1988) | | Avalon Hill | | Author |
| Troll Cults (RuneQuest) (1988) | | Avalon Hill | | Author |
| Trollpak, 2nd Ed. (RuneQuest) (1988) | | Avalon Hill | | Author |
| Gloranthan Bestiary (RuneQuest) (1987) | | Avalon Hill | | Author |
| Land of Ninja (RuneQuest) (1987) | | Games Workshop | | Editing |
| Land of Ninja (RuneQuest) (1987) | | Games Workshop | | Author |
| Ghostbusters: A Frightfully Cheerful Roleplaying Game (1986) | | West End Games | | Design |
| Terror From the Stars (Call of Cthulhu) (1986) | | Chaosium | | Editing |
| Elfquest Companion, The (1985) | | Chaosium | | Author |
| Gods of Glorantha (RuneQuest) (1985) | | Avalon Hill | | Editor, Format, Graphics, and Production |
| Gods of Glorantha (RuneQuest) (1985) | | Avalon Hill | | Author |
| RuneQuest, 3rd Ed. (1985) | | Avalon Hill | | Editing |
| Asylum & Other Tales, The (Call of Cthulhu) (1983) | | Chaosium | | Project Coordinator/Editorial Continuity/Typesetting |
| Asylum & Other Tales, The (Call of Cthulhu) (1983) | | Chaosium | | Author |
| Cthulhu Companion (Call of Cthulhu) (1983) | | Chaosium | | Additional Editing and Typesetting |
| Cthulhu Companion (Call of Cthulhu) (1983) | | Chaosium | | Author |
| Shadows of Yog-Sothoth (Call of Cthulhu) (1982) | | Chaosium | | Additional Material and Typesetting |
| Shadows of Yog-Sothoth (Call of Cthulhu) (1982) | | Chaosium | | Project Coordinator/Editorial Continuity/Typesetting |
| Shadows of Yog-Sothoth (Call of Cthulhu) (1982) | | Chaosium | | Author |
| Call of Cthulhu (1981) | | Chaosium | | Author |
| |
| |
| Magazine Credits: |
| |
| Magazine | | Credit |
| Different Worlds #37 (Nov/Dec 1984) | | Associate Editor |
| Tales of the Reaching Moon #12 (1994) | | Notes from Nochet |
| Tales of the Reaching Moon #11 (Spring 1994) | | Notes from Nochet |
| Tales of the Reaching Moon #10 (Summer 1993) | | Notes from Nochet |
| Ye Booke of Tentacles #2 (1999) | | Proofreading |
| |
| |
| Magazine Article Credits: |
| |
| Article | | Credit |
| "Arrolia" in Tales of the Reaching Moon #20 (2003) | | Author |
| "Berserkergang Path" in Tales of the Reaching Moon #7 (Winter 1992) | | Author |
| "Caladra & Aurelion, the Volcano Twins" in Tales of the Reaching Moon #7 (Winter 1992) | | Author |
| "Crimson Bat, The" in Tales of the Reaching Moon #8 (Summer 1992) | | Author |
| "Dormal the Sailor" in Tales of the Reaching Moon #10 (Summer 1993) | | Author |
| "Dragon Project: Cerulean Glory Oversees Tides" in Dragon #206 (Jun 1994) | | Author |
| "Dragon Project: Refocale of Hill Marlyprig" in Dragon #201 (Jan 1994) | | Author |
| "Folk Magic" in Tales of the Reaching Moon #6 (Autumn 1991) | | Author |
| "Gagarth the Wild Hunter" in Tales of the Reaching Moon #4 (1990) | | Author |
| "Humakt, God of Death and War" in Tales of the Reaching Moon #5 (Spring 1991) | | Author |
| "Hungry Ghosts, The" in Tales of the Reaching Moon #9 (Winter 1993) | | Author |
| "Legends of Genert" in Tradetalk #9 (2000) | | Sections |
| "Lore Auction 1998" in Ye Booke of Tentacles #2 (1999) | | Author |
| "Magasta, Lord of all Sea Gods" in Tales of the Reaching Moon #10 (Summer 1993) | | Author |
| "Maran Gor, the Earth Shaker" in Tales of the Reaching Moon #6 (Autumn 1991) | | Author |
| "New Hrestoli Idealist Church, The" in Tales of the Reaching Moon #13 (1995) | | Additional Writing |
| "People of the Land" in White Wolf Magazine #22 (Aug/Sep 1990) | | Author |
| "People of the Land" in White Wolf Magazine #20 (Apr/May 1990) | | Author |
| "People of the Land" in White Wolf Magazine #16 (Jun/Jul 1989) | | Author |
| "People of the Land" in White Wolf Magazine #15 (Apr/May 1989) | | Author |
| "Revised Shaman Rules" in Ye Booke of Tentacles #2 (1999) | | Author |
| "Sorcery Rules for RuneQuest" in Ye Booke of Tentacles #1 (1998) | | Author |
| "Upland Marsh Encounters" in Tales of the Reaching Moon #19 (2000) | | Additional Writing |
| "Warhamster" in Tales of the Reaching Moon #12 (1994) | | Author |
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