- In My Soul I Am Free (1971)
- The Tiger’s Fang (1971)
- The Crack in Space (1972)
- The Secret Path (1972)
- The Hand Behind the Mask (1972)
- Castle of Thunder (1973)
- Secret Power of Time (1972)
- Where Shadows Dwell (1972)
- Gates Beyond Death (1973)
Philosophy-Spiritual Books:
- The Far Country (1965) (Later called: Eckankar—The Key to Secret Worlds. )
- Soul Travel (1968/1979)
- Eckankar, Ancient Science of Soul Travel (1969)( Later called- Keys to Creation: Living the Way of Eck)
- Beyond the Cosmic Mind; the Secret Teachings of Eckankar 1970), and
- Shariyat—Key to the Gateway of Mystery (1971).