Scott Douglas Cunningham was a U.S. writer. Cunningham is the author of several books on Wicca and various other alternative religious subjects. His work Wicca: A Guide for the Solitary Practitioner, is one of the most successful books on Wicca ever published; he was a friend of notable occultists and Wiccans such as Raymond Buckland, and was a member of the Serpent Stone Family, and received his Third Degree Initiation as a member of that coven." Before he began to write on magical and religious topics, Cunningham wrote a series of science fiction and adventure novels.