Moran, Katy. Bloodline
While traveling through early seventh-century Britain trying to stop an impending war, Essa, who bears the blood of native British tribes and of the invading Anglish, discovers that his mother is alive and he, himself, is a prince of the northern kingdom, but he has loyalties and loved ones in the south to whom he is compelled to return.
Sutcliff, Rosemary. The eagle of the Ninth
A young centurion ventures among the hostile tribes beyond the Roman Wall to recover the eagle standard of the Ninth, a legion which mysteriously disappeared under his father's command.
Sutcliff, Rosemary. Knight's fee
Tells the story of Randal, a half-Saxon half-Breton lad in Norman England, an orphan left to fend for himself as a dog-boy in Arundel castle, and details his gradual rise to knighthood and freedom, at a terrible price.
Sutcliff, Rosemary. The lantern bearers
Set in the brief Romano-Celtic twilight between the end of the Roman Empire and the creation of Anglo-Saxon Britain, this is the story of Aquila, a Roman soldier who chooses to stay among his adopted people. However, his world crashes to pieces when he and his sister are enslaved by the Saxons, their father slain and their farm destroyed.
Sutcliff, Rosemary. The shining company
In 600 A.D. in northern Britain, Prosper becomes a shield bearer with the Companions, an army made up of three hundred younger sons of minor kings and trained to act as one fighting brotherhood against the invading Saxons.