From the back: "Rokugan has never belonged to humans alone. Ages before the dawn of the Empire, great civilizations built by non-human races, such as the naga and ogres, marked the land. Through their civilizations are gone now, their descendants still dwell upon the earth and in the seas. Since the catastrophic Fall of Fu Leng, oni - spawn of Jigoku - and their terrible offspring have walked the Shadowlands and warred against the Empire without cease." This book contains: - Over 200 monster entries - Rules for naga, nezumi and shapeshifter character creation - Detailed discussion on naga and nezumi histories