This book introduces Swami Yatiswarananda (1889–1966), a prominent figure within the Ramakrishna Math and Ramakrishna Mission. Serving as a former Vice-president, he was a key contributor to the Neo-Vedanta movement through his global lectures and spiritual guidance.

The book highlights his literary legacy, noting that while he is most famous for his monumental work, Meditation and Spiritual Life, he had already established himself with earlier influential compilations. These include The Divine Life, which features selected scriptural passages intended for meditation. Essentially, the book establishes the author’s authority and deep-rooted influence among spiritual aspirants before diving into the book's core teachings.