Travel beyond the Firewall... to a land of mystery and magic unlike anything else in the fabled lands of Theah.At long last, the most mysterious of Theah's nations is revealed! For thousands of years, the hidden kingdom of Cathay has remained isolated behind a towering wall of flame. From the golden palace of the Celestial Empress to the fearsome Treasure Fleet that rules the eastern seas, no mystery shall remain hidden to those daring enough to venture forth. Keep your weapons - and your wits - sharp, for the ways of the East are now open! Includes comprehensive details on the ancient Imperial Kingdom of Cathay: her past, her people and the astounding beings that claim her as their home, as well as adventure hooks, new skills, thorough campaign outlines and more! Fully compatible "hybrid" rules, suitable for BOTH d20 System play and 7th Sea's classic roll-and-keep system.