Heselton, writing in "Wiccan Roots" and later in "Gerald Gardner and the Cauldron of Inspiration", argues that Gardner was not the author of the Wiccan rituals but received them in good faith from an unknown source. (Doreen Valiente makes this claim regarding the "basic skeleton of the rituals," as Margot Adler puts it in "Drawing Down the Moon".) He notes that all the Crowley material that is found in the Wiccan rituals can be found in a single book, "The Equinox vol 3 no. 1" or "Blue Equinox" (1919). Gardner is not known to have owned or had access to a copy of this book, although he met with Crowley towards the end of the latter's life. Gardner admitted that "the rituals he received from Old Dorothy's coven were very fragmentary, and in order to make them workable, he had to supplement them with other material."