Jake Jackson has written, edited and contributed to over 20 books on mythology and folklore. Related works include studies of Babylonian creation myths, the philosophy of time and William Blake's use of mythology in his visionary literature. Margaret H. Beissinger teaches in the Slavic Department at Princeton University. Her field is Balkan oral literature and traditions, especially epic poetry and Romani music-making, topics that she has published widely on. She has written and co-edited several books and is currently editing the Oxford Handbook of Slavic and East European Folklore.