Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Get another book on this topic

The book has a website given on page 13. Try to find the website using a search engine (Altavista for example). I tried the search using every word in the books title and wasn't able to find it in the first 20 pages listed in the search. If you buy a book on search engine placement, the proof should be evident in an actual search. Must I say more.