The eBook is an introduction to Yoga, exploring its nature, philosophy, science, and practice. It explains Yoga as a science involving the rational application of the laws of unfolding consciousness.
The text emphasizes that the universe exists for the sake of the Self, with the Self in individuals being the same as the Self Universal.
It discusses key concepts like Prana (life-breath) and Pradhana (matter), states of consciousness (Jagrat, Svapna, Sushupti, and Turiya), and Samadhi (a state of trance).
The text also touches on the literature of Yoga, including the Upanishads, the Bhagavad-Gita, and the Tantras, highlighting the importance of a teacher for Tantric practices.

An Introduction to Yoga