Judy Ann Nock, MS, is the bestselling author of six books on witchcraft including The Modern Witchcraft Book of Crystal Magick, The Modern Witchcraft Guide to Runes, The Modern Witchcraft Guide to Magickal Herbs, and The Modern Witchcraft Book of Natural Magick. Her books have been translated into multiple languages and are enjoyed throughout the world. Judy Ann Nock is a popular musician in the Hoboken supergroup Psych-O-Positive, a metalsmith, a graduate of the Gemological Institute of America, a member of Mensa, and has appeared in The New York Times, Publishers Weekly, The Guardian, Refinery29, and The Village Voice. She lives with her daughter and her cat in New York City.