Njals saga, the greatest of the sagas of the Icelanders, was written around 1280. It tells the story of a complex feud that starts innocently enough--in a tiff over seating arrangement at a local feast--and expands over the course of 20 years to engulf half the country, in which both sides are
effectively exterminated, Njal and his family burned to death in their farmhouse, the other faction picked off over the entire course of the feud. Law and...