Texto en inglés. Tapa blanda de editorial ilustrada. Sin subrayados ni anotaciones. Buen estado de conservación. The author, who knew Omraam Mikhael Aivanhov during the last ten years of his life, has taken as her primary source the more than 5,000 talks he gave between 1938 and 1986. Her research led her, also, to several of the countries where he lived and taught.