Creativity and magic are one and the same. Creative people often speak of being channels for inspiration, while others refer to communing with their muse. For many, this is more than mere metaphor, as artists throughout history have employed magical techniques to tap into their creativity, express powerful messages, and make contact with the sacred. Examples range from the songwriting divination of David Bowie to the Ouija board poetry sessions of Sylvia Plath, and from the 19th-century abstract painting séances of Hilma af Klint to the cinematic meditation methods of David Lynch. Magic...