A JOURNEY IN SOUL tells the story of one man's calling and his dedication to its fulfillment. David Marshak received a calling in 1979 to explore the teachings of Sri Aurobindo, Hazrat Inayat Khan, and Rudolf Steiner-three of the most significant spiritual teachers of the first half of the 20th century-in relation to the unfoldment of children and youth in the first 21 years of life. What he found through this inquiry was a "common...