From back cover:
THE FIVE KINGDOMS
For centuries, the lands of the west have been enthralled by tales about the mystical province of Cathay. Far to the East, this mysterious place has always been a symbol of intrigue and wonder. Now, the door to the East is open. From the lightning-born storm children, to the renowned Xan monks, Cathay’s secrets can finally be explored by those brave enough to venture into this troubled, war-torn realm.
Cathay: The Five Kingdoms Gamemaster’s Guide is a sourcebook for Earthdawn Third Edition, containing everything a gamemaster needs for running adventures in the Five Kingdoms of Cathay—extensive setting material, guidelines for creating adventures and campaigns, information on creatures, dragons, Horrors, spirits, magical treasures, and much more! Requires use of the Earthdawn Player’s and Gamemaster’s Guides.