Andrew D. Gable said:
So far, I have the Iron Kingdoms Character Guide and Primer (if you should buy both--is one just an update and expansion of the other, or are they two independent supplements?) since I have no Iron Kingdoms stuff outside of the Monsternomicon, and the world does look to my liking.
You don't need the primer, just the Character Guide. It's more or less a greater expansion of the Primer, which was done for 3.0 rules. As for what other books to buy, you're going to get a huge diversity of suggestions with this crowd. My suggestions are based on being able to be used in almost any campaign world or setting:
AEG
-World's Largest Dungeon
Bastion Press (most titles are on sale for $5.00 at the Bastion Press online store until Monday):
-Arms & Armor v3.5
-Torn Asunder: Critical Hits
-Pale Designs: A Poisoner's Handbook
-Spells & Magic
-Alchemy & Herbalists
-Faeries
-Airships
-Doom Striders
Citizen Games:
-Way of the Witch (you can usually find this at a substantial discount in stores but it is one of the best written of the Witch books)
Dark Quest Games:
-Dweomercraft: Familiars
-Lost Prehistorica
Fantasy Flight Games:
-Wildscape
-Dungeoncraft
-Cityworks
-Traps & Treachery (I and II)
-Portals & Planes
Green Ronin:
-Advanced Bestiary
-Psychic's Handbook
-Shaman's Handbook
-Noble's Handbook
Living Imagination:
-Agents of Faith
-Spellbound
-Streets of Silver
Malhavoc:
-Complete Book of Eldritch Might
MonkeyGod Enterprises:
-Frost & Fur
Mystic Eye Games:
-Any of the Foul Locales books
-The Pantheon and Pagan Faiths
Paradigm Concepts:
-Unveiled Masters: Guide to Mind Flayers
-Forged in Magic
Second World Simulations:
-Masters at Arms
Troll Lord Games:
-Book of Familiars
Wizards of the Coast (you've already said Draconomicon and Liber Mortis):
-Frostburn
This should give you plenty to choose from...
