'John's novel Magnus' Saga Beyond Vinland is about a Vikingr named Magnus who leads a journey to North America, or what the Viking's called Vinland.  Once there, he interacts with various Native-American tribes, befriending most while having to fight others.  He teaches his Native-American friends how to smelt iron, enabling them to work with hard metal.  Back in Scandinavia, Magnus's wife serves as a shieldmaiden, defending their village from other Viking raids.