SHAPE SHIFTING can be defined as the alteration in form or substance of any animate object. There seems no limit to the kinds of objects susceptible to such alteration. Examples abound of the shape shifting of plants, animals, humans, and gods. Shape shifting can be caused either by the object changed or by an external force; it can occur for good or for ill and for reasons simple or profound.

Shape shifting is found in essentially every religion and mythological tradition. By no means is it a phenomenon restricted to unsophisticated cultures remote in history and geography from the dominant civilizations. An enduring fascination with shape shifting is easily detected in modern popular culture as well as in the major religions: Comic-book and cartoon characters such as Superman and Spiderman are typical shape-shifters, and shape shifting is certainly an element in the deepest spiritual insights of...