Desc: The Mahatmas and Their Letters: Directed by Steve Schweizer. With Ed Abdill, Helena Petrovna Blavatsky, Radha Burnier, Mahatma Koot Hoomi. The letters were written between 1880 and 1884 by Koot Hoomi and Morya to A. P. Sinnett. The letters were previously quoted in several theosophical books (e.g. The Occult World by Sinnett), but not published in full.