Composed in a golden age of Celtic storytelling in the thirteenth century or earlier, this collection of 12 Welsh prose tales is a masterpiece of European literature. Though written down in the Middle Ages, these stories are thought by scholars to be probably much older, perhaps going back to the dawn of Celtic civilization. They fall naturally into several groups: the Mabinogion (stories) proper, composed of the four tales of Pwyll, Branwen, Manawyddan,...