Among his best-known works are The Black Arts: A Concise History of Witchcraft, Demonology, Astrology, and Other Mystical Practices Throughout the Ages, The Tarot, A History of Magic, and the 24-volume set Man, Myth & Magic, which he both edited and contributed to. He also wrote regularly for the British journal History Today.
Among his significant works are The Black Arts: A Comprehensive Guide to Witchcraft, Demonology, Astrology, and Other Mystical Practices Throughout History, The Tarot, An Exploration of Magic, and a 24-volume set titled Man, Myth & Magic. He also frequently wrote for the British journal History Today.