Tired of hauling all of your D&D rules supplements to the gaming table? Having trouble finding the rule you need? The Rules Compendium supplement takes all of the game's most important rules and presents them in a single comprehensive, easy-to-reference volume for players and Dungeon Masters. In addition to presenting the rules of the game, the Rules Compendium incorporates official errata as well as behind-the-scenes designer and developer commentary explaining how the rules system has evolved and why certain rules work the way they do. CHRIS SIMS is an associate editor who works in Roleplaying Games R&D at Wizards of the Coast, Inc. His previous design credits include the Secrets of Sarlona supplement for the Eberron campaign setting.