The King of Ys Vol 1 Author:Poul & Karen Anderson The King of Ys is a historical fantasy -- it is set in our world just before the fall of the Roman Empire and it mixes in the legend of the mythical city of Ys which was built below sea level on the coast of Brittany. Many of the characters in The King of Ys (Roman emperors, Christian saints, etc) are based on legendary and real historical figur... more »es and Poul and Karen Anderson include plenty of footnotes which explain the legend of Ys and the culture and religion of the 5th century.« less