Instruct: Classify a given review into positive or negative sentiment.
Query: Changed my world...

I recommend this book to everyone I know. The information is so enlightening you will never be able to look at the world the same way again. Michael Pollan takes an ocean of knowledge and makes it completely understandable, interesting, and at times amusing. I felt more like I was having a conversation with Pollan rather than reading a nonfiction book. I went on to read "In Denfese of Food", which is an absolute MUST to read as a sequal to "Omnivore's Dilemma"!