Nik Douglas (1944-2012) is the author of Sexual Secrets (with Penny Slinger), Tantric Yoga, Tantric Charms and Amulets, and Spiritual Sex and was the director of the documentary film Tantra. Penny Slinger is an artist with special focus on multimedia collage, whose works have appeared in exhibits throughout Europe. She has produced numerous books and videos and is an ordained minister of the Goddess Temple. She lives in northern California.
. . . puts users in contact with the energies of the dakinis, archetypes of feminine wisdom. --New Age Retailer, December 2004