Every other Tuesday in Storied, K. B. Hoyle explores the ways our cultural narratives act on us individually and in society as a whole. “Taran wanted to make a sword; but Coll, charged with the practical side of his education, decided on horseshoes.” Thus begins Lloyd Alexander’s The Book of Three, the story of Taran, assistant pig-keeper to an oracular pig and ward of an ancient enchanter named Dallben. The setting of the story is Prydain, a land pulled from Alexander’s love for…