Shelf of Many Books

D&D 3.0
Monster ManualMonster Manual IISunless CitadelForge of FurySpeaker in DreamsSword and FistStanding StoneDefenders of the FaithReturn to the TEETome and BloodHeart of Nightfang SpireManual of the PlanesOriental AdventuresDeep HorizonSong and SilenceLord of the Iron FortressMasters of the WildDeities & DemigodsBastion of Broken SoulsEpic Level HandbookBook of Vile DarknessArms & EquipmentGhostwalkFiend FolioSavage Species

D&D 3.5
Monster ManualDragonlance CSMonster Manual IIIMonster Manual IVMonster Manual VMiniatures HandbookBook of Exalted DeedsDraconomiconComplete WarriorComplete DivineFrostburnLibris MortisComplete ArcaneComplete AdventurerSandstormHeroes of BattleStormwrackMagic of IncarnumHeroes of HorrorComplete PsionicTome of BattleDragon MagicComplete MageComplete ChampionRaces of StoneRaces of DestinyRaces of the WildRaces of the DragonExpanded Psionics HandbookPlanar HandbookLords of MadnessTome of MagicFiendish Codex IFiendish Codex IICityscapeDungeonscapeMagic Item CompendiumDemonweb PitsDrow of the UnderdarkUndermountainRuins of Greyhawk

D&D 3.x Forgotten Realms
FR Campaign SettingMonsters of FaerûnMagic of FaerûnFaiths and PantheonsSilver MarchesCity of the Spider QueenRaces of FaerûnUnapproachable EastUnderdarkSerpent KingdomsShining SouthLost Empires of FaerûnChampions of RuinCity of SplendorsChampions of ValorPowers of FaerûnDragons of FaerûnShadowdaleAnauroch

D&D 3.x Eberron
EberronSharnRaces of EberronExplorer’s HandbookMagic of EberronPlayer’s Guide to EberronSecrets of Xen’drikSecrets of SarlonaForge of WarDragons of Eberron

Pathfinder Roleplaying Game
Bestiary 1Bestiary 2Bestiary 3Bestiary 4Bestiary 5Bestiary 6

Pathfinder Adventure Paths
#61[1/6]: Shards of Sin#99[3/6]: Dance of the Damned#117[3/6]: Assault on Longshadow#121[1/6]: The Lost Outpost

Pathfinder Campaign Setting
Inner SeaChronicle of the RighteousAndoran

Pathfinder Companion
Andoran

Pathfinder Compatible (3rd Party)
Creatures of FreeportBook of BeastsForgotten FoesTome of HorrorsPhantasia Zoologica V1Mystical: Kingdom of Monsters5 Adventures, 25 Rooms

Pathfinder 2
Bestiary

System d20
Monster Manuald20 Modern

Wayfinder
Wayfinder 8Wayfinder 9

Fantasy Literature
Lord of the Rings