Andrew Harvey and Karuna Erickson have recently co-authored "Heart Yoga: the Sacred Marriage of Yoga and Mysticism," which has been endorsed by many leading spiritual teachers such as Deepak Chopra, Marianne Williamson, Caroline Myss and Rodney Yee. It is available through, Random House, and local bookstores. Andrew Harvey, the director of the Institute for Sacred Activism, is an internationally acclaimed author of more than 30 books including "The Hope: a Guide to Sacred Activism," and can be reached through Karuna Erickson, the director of Heart Yoga Center, has been a psychotherapist and devoted yoga teacher for more than 40 years, and can be contacted at