The game master's volume of core rules for the Classic edition of Earthdawn. Includes a detailed gazetteer of Barsaive, complete rules for blood magic, magic items, and a myriad of creatures, Horrors, spirits, and dragons. Revises and expands material from: Earthdawn First Edition, Earthdawn Gamemaster Pack, Earthdawn Companion, Earthdawn Survival Guide, The Barsaive Boxed Set, Creatures of Barsaive, Dragons, and Horrors.