This is mostly an collection of handbooks which can be downloaded.
NOTE: Feel free to use MY material as long as you don't charge anyone for it.
The Net Wizards Handbook, Third Edition
Players Handbook, OFFICIAL
Dungeon Masters Handbook, OFFICIAL
Tome of Magic, OFFICIAL
Arms and Equipment guide, OFFICIAL
Monstrous Manual, OFFICIAL
Net Monstrous Manual
Politics of the Abyss
Magical Items
Magical Styles
Random Magical Effects
Alpha's spellbook
Magical Compendium Of Novel Incantations
Infravision
Traps
Famous Last Words
Who is a Munchking