Tio Culebra = Uncle Snake (Spanish Edition)

A mysterious and captivating tale explaining the origins of lightning, this why-story is set in ancient Mexico. Something unearthly happens when a boy enters a forbidden cave, and no curandero can change him back to what he was. Only the nahual, the shape-changing magic worker, holds out hope: You are destined to show the world something new. Twenty years later, the young man, now known as Uncle Snake, finds out what that glorious something is.