Nik DouglasNik Douglas (1944-2012) and Penny Slinger are the authors of Sexual Secrets, Erotic Sentiment: In the Paintings of China and Japan and The Secret Dakini Oracle, and Douglas is the author of Spiritual Sex and The Path of the Mytic Lover. Douglas studied Eastern art, philosophy, and sexual traditions while living for eight years in the Himalayas. He was one of the world's leading authenticators of Oriental art. Read More Read Less