The teachings of Swami Muktananda and Gurumayi Chidvilasananda are dated and arranged into 12 themes of spiritual life to be used for daily meditiation.
Swami Muktananda introduced the Siddha Yoga path all over the world, creating what he called a "meditation revolution." He is the author of Play of Consciousness, his spiritual autobiography. Gurumayi Chidvilasananda is a spiritual teacher, author, musician, and the head of the Siddha lineage of meditation masters in the ancient yogic tradition of India. Swami Anantananda, a monk in the Siddha Yoga tradition and a disciple of meditation master Gurumayi Chidvilasananda, teaches and writes about the development of spiritual awareness.