Instruct: Classify Amazon reviews into positive or negative sentiment
Query: NOT WORTH IT

400 Trademarks on GlassI wish I had read the reviews before I bought this book. I got more information looking at other websites and writing their information down. Again, there is no mention of the copyright date on the description. Why aren't makers listed in alphabetical order, didn't they think that would have helped in researching. It was cheap enouogh, I am not going to bother returning it, but I will read reviews before I buy next time.