 In 1970 BPC Publishing Ltd put out a very popular hardcover set condensing all 112 magazines into a 24 volume set.It was reprinted as a 21 volume revised edition by Marshall Cavendish in 1995 ().The material has been sold to Cavendish Square Publishing, which has published ten volumes of the material reorganized into books according to subject, including "Witches and Witchcraft" as well as "Beliefs, Rituals, and Symbols of Ancient Greece and Rome".