According to prophecy, a liberator will come to bring light, truth, and freedom to every generation. His mythic title is Mabon, but his identities are many, including King Arthur, whose coming we await. So says the Welsh Mabinogion, which includes some of the oldest magical stories from British mythology. Renowned Celtic scholar Caitlin Matthews unlocks the encoded meanings of the Mabinogion and establishes it firmly as a precursor to other living myths of the West. September.