Yogi Ramacharaka is the pen name of author William Walker Atkinson who was a prolific writer of many occult books. In A Series Of Lessons in Raja Yoga focuses on the self or the I within a person. In mastering the lessons you will realize that your soul are at the center and your body is the circumference surrounding your soul. Realizing your consciousness becomes the prevailing idea of the mind, around which a persons in which a person entire thoughts and actions occur.