Mother & Myth in Spanish Novels

What if the goddess Athena, who sprang fully-grown from Zeus''s head and denied she had a mother, became aware of the compelling existence of her other parent? What if she discovered that her mother, Metis-first wife of Zeus and "wiser than all gods and mortal men," according to Hesiod-was swallowed by her father and continued to impart her wisdom to him from inside his belly? Recent Spanish novel...