Snorri Sturluson 
Heimskringla 

Great classic by Icelandic poet/chieftain chronicles the reigns of 16 high kings descended from the warrior-wizard god Odin. Major section on 15-year reign of Olav II Haraldson, patron saint of Norway. Based on earlier histories, oral traditions, plus new material by author, all presented with intelligence, warmth and objectivity. Over 130 illustrations and 5 maps.