14 books • 2 series
Then and Now
Our Boys
What Does Islam Mean in Today's World? (Library of Perennial Philosophy)
Outline of Sufism (Library of Perennial Philosophy)
Christen und Muslime - Was sie bereinander sagen
Remembering in a World of Forgetting (Perennial Philosophy)
Hinduism and Its Spiritual Masters
El Budismo
El Sufismo
El Hinduismo
Religion of the Heart
Outline of Buddhism
Outline of Hinduism
Sufism