Michael E Wills 
Bound for Home [EPUB ebook] 

The concluding book in the series. After three years in the service of the emperor of the Greeks, Ahl and his Viking friends have become very rich. Now the crew longs to return home with their wealth, their problem is that the emperor will not permit them to leave. They make a daring plan to escape. The route home is perilous as they navigate uncharted seas. They must overcome robbers, storms and hostile strangers as they seek their way back to the Northlands with the riches which they have earned.