Jack Zipes is professor emeritus of German and comparative literature at the University of Minnesota and the author, translator, and editor of dozens of studies and collections of folk and fairy tales. His recent books include "Why Fairy Tales Stick: The Evolution and Relevance of a Genre", "Relentless Progress: The Reconfiguration of Children s Literature, Fairy Tales, and Storytelling", and "The Enchanted Screen: The Unknown History of Fairy-Tale Films".