Swords of Power (d20 System), by Ward, James
The Slayers: D20 System Role-Playing Game, by Lyons, Michelle,Ragan, Anthony
Dungeons & Dragons 3.5 Player's Handbook, by Wizards RPG Team
Urban Arcana Campaign Setting (d20 Modern), by Slavicsek, Bill, Grubb, Jeff, Cagle, Eric, Noonan, Dave
Factory: A Compendium of Magical Robots, Computers, and Dweoware (d20 3.0 Roleplaying), by Erik Kjerland
Gamma World: Mutants and Machines (Gamma World d20 3.5 Roleplaying), by Wendig, Chuck, O'Duffy, Patrick, Hanrahan, Gareth, Bolack, David
Psionics Handbook (Dungeons & Dragons d20 3.0 Fantasy Roleplaying), by Bruce R. Cordell
Unearthed Arcana (Dungeons & Dragons d20 3.5 Fantasy Roleplaying), by Redman, Rich, Noonan, David, Decker, Jesse, Collins, Andy
Gamma World Player's Handbook: A Campaign Setting for d20 Roleplaying, by Skellams, Geoff, Rautalahti, Mikko, Eller, Ian, Baugh, Bruce
Occult Items of Power (D20), by
Planar Handbook (Dungeon & Dragons d20 3.5 Fantasy Roleplaying), by Cordell, Bruce R., Kestrel, Gwendolyn F.M.
Encyclopedia of Demons & Devils 2 (D20 System), by Ward, James M.
Encyclopedia of Demons and Devils (d20 System; FAF2004), by Fast Forward
The Wheel of Time Roleplaying Game (d20 3.0 Fantasy Roleplaying), by Long, Steven, Ryan, Charles
Lock & Load: Iron Kingdoms Character Primer, by Kilmartin, J. Michael,Seacat, Douglas
Living Greyhawk Gazetteer (Dungeons & Dragons: Living Greyhawk Campaign), by Erik Mona, Frederick Weining, Gary Holian, Sean K Reynolds
Eberron Campaign Setting (Dungeons & Dragons d20 3.5 Fantasy Roleplaying), by Wyatt, James, Slavicsek, Bill, Baker, Keith
Treasure Quests (d20 System), by James M. Ward
Races of Stone (Dungeons & Dragons d20 3.5 Fantasy Roleplaying Supplement), by Decker, Jesse, Lyons, Michelle, Noonan, David
A Magical Society: Ecology & Culture, by Unknown
Spycraft D20: Fixer, Point Man Class Guide, by Aeg
Battlegrounds, by Spycraft
Mastermind (Spycraft D20 Spy Game), by Crow, Steve, Flagg, Alexander, Flory, B. D., Oliver, Clayton A.
Agency (Spycraft D20 Spy Game), by Alderac Entertainment
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