From Cuchulainn, the Hound of Ulster, and Boadicea. warrior queen of the Celts, to Fionn Mac Cumhail, champion of Ireland, and Macbeth, Scotland's warrior king, follow the lives and legends of four prominent warriors through ten centuries of intriguing Celtic history. Together their exploits chart the peak and the decline of one of the most dedicated military civilizations the world has ever seen.