Complete Arcane

Lords of Madness

Stormwrack

Tome of Battle

Exemplars of Evil

Map Folio I

Fiendish Codex II - Tyrants of the Nine Hells

Hero Builder's Guidebook

Complete Mage

Races of the Wild

Map Folio II

Monster Manual III

Masters of the Wild

Frostburn

Feat Bible 2-05 (WotC feats up thru Complete Mage)

Dungeons and Dragons for Dummies