This edition combines the four paths of yoga as expounded by Swami Vivekananda in the nineteenth century. They include the three yogas mentioned in the Bhagavad Gita— Karma Yoga, Bhakti Yoga, and Jnana Yoga— and Raja Yoga, which is based on Maharshi Patanjali’ s Yoga Sutras, and together they speak to the active, the emotional, the mystic, and the philosophical inside us