Instruct: Classify an Amazon review into positive or negative sentiment.
Query: Great Hold'em & Stud Poker Book

This is an excellent book and an enjoyable read. However, when I think of Phil it's his expertise in reading his opponents that I most admire. Unfortunately, while he mentions the importance of this skill throughout his book and states that this skill can be learned by anyone, there is little content about this aspect of the game. Of course there are many other books covering the psychology of poker, common tells, etc., but I was very interested in Phil's insights.Though I'm just an amateur and use the Wilson Tournament Hold'Em software for practice, I've already observed improvements in my hold'em game. My tournament statistics and earnings with the Wilson software improved dramatically by applying the concepts within this book. I'll be in a couple games this weekend and look forward to seeing how my opponents react to my revised image.