Cerridwen Greenleaf is a writing instructor, medieval scholar, and practicing astrologer. She leads spirituality workshops and retreats throughout the U.S, and has published a number of books on mysticism. She is also the author of Running Press’s bestselling gift books, The Witch’s Spellbook and Spells for Love and Romance. Cerridwen's books have sold over 100,000 copies. Arin Murphy-Hiscock is the author of Wicca, The Way of the Green Witch, The Green Witch, The Way of the Hedge Witch, Pagan Pregnancy, Power Spellcraft for Life, Solitary Wicca for Life, and The Hidden Meaning of Birds: A Spiritual Field Guide. She has been active in the field of alternative spirituality for over twenty years and lives in Montreal, Canada.