Published in 1984: The Rise of Gawain, Nephew of Arthur is an exciting adventure story of the training, testing, and recognition of knighthood in King Arthur's court. The setting is the historical world of the fifth century: Rome, Jerusalem, Britannia. Atleast one copy of the story circulated in England, apparently influencing Sir Gawain and the Green Knight and the Faerie Queene, Book 1.
Published in 1988: The Story of Meriadoc, King of Cambria is about a prince of the kingdom of Cambria (pre-Saxon Wales) who after surviving an attempted assassination by his uncle, fights as a young Knight in the cause of royal justice.