Lois Walfrid Johnson 
Raider’s Promise [EPUB ebook] 

Three years after their first adventure began, Bree, Devin, and Mikkel now enter a new world with the explorer Leif Erikson. Their first task: build a shelter to survive the winter. But danger lurks from within the shadows on the horizon of a life where everyone needs the courage to win. Can Mikkel conquer his enemies and find new purpose for his life? Will he keep his promise to Bree and Devin to take them home to Ireland? Will he keep his pledge of honor, even if it means death?