The epic unfinished poem, The Faerie Queene by Edmund Spenser, published 1590-96, created a parallel of the medieval universe.
The Vita Merlini, written by Geoffrey of Monmouth in the twelfth century, tells the story of Merlin after the Battle of Camlann, where he ruled over South Wales, had a wife named Guendoloena and a sister named Ganieda.
The Folklore of Cornwall: The Oral Tradition of a Celtic Nation addresses everything from piskies – south west Britain’s fairies – to mermaids, harvest festivals, a corpse visiting his betrothed, and the giants long noted for making the Cornish peninsula their home. And amid all this are the spirits of the mines – knockers together with the tommyknockers, their New World descendants.
In Arthurian tradition the elusive sorceress Morgan le Fay becomes one of King Arthur’s most dangerous foes.
In Arthurian romance the mystical, magical quest of the Sangreal is a popular story that has its roots in medieval times, though its seeds may be from much earlier.