books.google.com.au - Describes authentic tantra, the different spiritual paths and how tantra combines yoga, meditation, ayurveda and other disciplines....http://books.google.com.au/books/about/Tantra_Unveiled_Seducing_The_Forces_Of_M.html?id=EudU6IxUxYUC&utm_source=gb-gplus-shareTantra Unveiled(Seducing The Forces Of Matter & Spirit)