Tom Sellwood

Set in the reign of Alfred the Great. Uhtred lost his parents, English nobles, at the age of ten, and was then raised in the Viking fashion by a Dane. As clashes between the English and the Danes increase he finds his loyalties are divided.  Book 1 of series

Most of England is now ruled by the Vikings, and Alfred has been forced to retreat to marshlands in Somerset. Uhtred, loyal to Alfred, infiltrates the Vikings' camps and councils to gather information. Soon, however, he transfer his allegiance to the Vikings.   Book 2 of series.