奥义书——吠陀传统的哲学核心，阐明梵、真我、知识、行动与解脱的本质。十部主要奥义书，另加精选的毗湿奴派小奥义书。
"The Jewel in Yoga's Crown": the circles within the body, the sleeping power, breath, and sound. A practical book with counts and periods, ending with the image of the sun drawing its own radiance back into itself.