Instruct: Classify Amazon reviews into positive or negative sentiment
Query: new age literature and disappointing.

Mr. Zukav fails to point out in his book that the soul of man is only one facet of mankind' spiritual nature. He also limits his discussion to l) the body, and 2) soul. Nothing is mentioned of the spirit of man of which the soul is only one portion. His research appears to be very restricted. His book touches a little onoriental philosophy, a little on new age mysticism, and a little on elementary reasoning. The result is that a reader would come to a conclusion re: spiritual studies, that it is a type of kindergarden ciricula that is not worth pursuing.One would be far better off to read Rudolf Steiner and Helen Blavatsky as a foundation for future studies.