A Blaze of Valkyries: A Viking Dragonrider Adventure

Five shiploads of Vikings against one.
This isn't her first battle with such steep odds, but this is Dyrfinna's first as commander -- and she doesn't want to see her crew be killed off by a much greater foe before they get a chance to revenge their friend Thora.
But some of these foes are called the Child-Killers, led by the bloody-minded Nauma, who glories in dealing pain and death.
Dyrfinna and her crew manage to escape to an island in order to better defend themselves as their ship goes up ...