Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Waste Of Time And Money!

Poorly written, amateurish, and incomprehensible! Stick with Strassman, Grof, McKenna, Shulgin, Oroc, and the rest. About as enjoyable and informative to read as a (C-) middle school essay. The author's website and youtube postings are no better (stick with Erowid). A total disappointment. The events "described" should be very interesting, but the author leaves you wondering WTF happened and why. The "kidnapping" is totally baffling; I had to do a google search to find out what really happened. A very childish failed attempt to be in the same league as the authors mentioned above. If Leonard Pickard wrote a book, it would be worth reading, but this is worthless. A total embarrasment. (I find it very disturbing and unethical when an author "reviews" their own book, giving it a 5 star rating!)