A history of yoga’s transformation from sacred discipline to exercise program to embodied spiritual practice• Identifies the origin of exercise yoga as India’s response to the mania for exercise sweeping the West in the early 20th century• Examines yoga’s transformations through the lives and accomplishments of 11 key figures, including Sri Yogendra, K. V. Iyer, Louise Morgan, Krishnamacharya, Swami Sivananda, Indra Devi, and B. K. S. Iyengar• Draws on more than 10 years of research from rare primary sources and includes 99 illustrations