For use with the Dungeons & Dragons 3.5 core books. However, this campaign book introduces a wealth of new rules and options to cover the world of Eberron!
From the Back of the Book:
Find Action Around Every Corner of the World
Grab your pack and leap into an action-packed, intrigue-laced world of cinematic adventure. Within the Eberron Campaign Setting, you’ll discover a vast, richly detailed world infused with magic and waiting to be filled with daring escapades and dangerous exploits. Throw open the cover -- and be ready for anything.
The Eberron Campaign Setting includes:
4 new races: changeling, kalashtar, shifter, and warforged
Over 70 new feats, 8 new prestige classes, and a new character class: the artificer
New equipment, weapons, spells, and magic items
New monsters and monster templates
Highly detailed regions, new organizations, and a short adventure to launch your campaign
To use this rulebook, a Dungeon Master also needs the Player's Handbook, the Dungeon Master's Guide, and the Monster Manual.