- In My Soul I Am Free (1971)
- The Tiger's Fang (1971)
- The Crack in Space (1972)
- Den hemmelige veien (1972)
- Hånden bak masken (1972)
- Tordens slott (1973)
- Tidens hemmelige kraft (1972)
- Where Shadows Dwell (1972)
- Gates Beyond Death (1973)
Filosofi-åndelige bøker :
- The Far Country (1965) (Senere kalt:Eckankar—The Key to Secret Worlds. )
- Soul Travel (1968/1979)
- Eckankar, Ancient Science of Soul Travel (1969) (Senere kalt- Keys to Creation:Living the Way of Eck)
- Beyond the Cosmic Mind; the Secret Teachings of Eckankar 1970), og
– Shariyat – nøkkelen til mysteriets inngang (1971).