1938. Other volumes in this set include ISBN number(s): 0766128350, 0766132048, 0766132080, 0766132129. Volume 5 of 5. With some papers on the bearing of occult philosophy on life. A new version of Isis Unveiled in which the work is issued in a better and clearer form. All that is important in Isis is retained, but the text is rearranged to provide a better grouping of the materials relating to any particular subject.