The Young Knight of Selgovae: The Annals of the Heroic–Chronicles of What Might Have Been, Book 6 (Unabridged‪)‬

The Young Knight of Selgovae is set historically in old Brittany, Francia, Danmork, and Rus. 

In the days of King Arthur, Sir Alun is enjoying life at court and a budding romance in the Palace of Léhon when Brittany is invaded by Clovis I of Francia, a brutal boy-king. What begins as a simple scouting mission for Sir Alun entangles the young knight in international intrigue, courtly love affairs, war, and harrowing encounters with the supernatural.