A study of Tibetan religion. To practising bonpos, Bon simply means the true religion of Tibet, while to Tibetan Buddhists, Bon refers to the false teachings and practices that were prevalent before Buddhism became the dominant religion under the Kings. The present study resulted from a period during which the author was engaged in intense contact with practising bonpos. It consists of the translation of a seminal 450 year old transcript of a 13th century Bon manuscript, in which the entire Bon philosophy and practice is summarized.The scale and depth of his study allows