Vor Rukoth: An Ancient Ruins Adventure Site for D&D
Greg Bilsland
Monster Manual 3: A 4th Edition D&D Core Rulebook
Mike Mearls & Greg Bilsland & Robert J. Schwalb
Monster Manual 2: A 4th Edition D&D Core Rulebook
Rob Heinsoo & Chris Sims & Greg Bilsland & Owen K. C. Stephens