Raja Yoga, or Mental Development, by Yogi Ramacharaka the pseudonym of American attorney, occultist, author, and pioneer of New Thought William Walker Atkinson. The work was originally published in 1906 by the Yogi Publication Society. The work consists of a series of lessons, which originally appeared in a monthly format between October 1905 and Septembter 1906. They focus on using techniques such as meditation, retention of breath, and concentration to achieve ultimate goal of absorption into the cosmos. The work actually stands as a New Thought work rather than a strictly yogic one.

MIND, BODY, SPIRIT: MYSTICISM & SELF-AWARENESS. This text, is a comprehensive course on yoga and meditation. Reap the physical benefits of these age old teachings and find the joy in your soul. Included with this book is a CD containing: a guided yoga postures session, a guided meditation and an inspiring talk by Kriyananda on the art of meditation.

The series of lessons designed to enlighten regarding the nature of the real self, and to instruct in the secret knowledge the consciousness and realization of the real self. William Walker Atkinson was an attorney, merchant, publisher, and author, as well as an occultist and an American pioneer of the New Thought movement.