From the bestselling author of Hakon's Saga comes the first in a series of stories about Olaf Tryggvason, one of the most legendary kings of the Viking Age. Norway, AD 958. The Northern realm is once again at war. The exiled sons of Erik Bloodaxe have returned with the help of the Danes and have slain King Hakon. They now come for Hakon's heir, Jarl Trygvi. Trygvi's wife, Astrid,...