Instruct: Classify a given Amazon review into positive or negative sentiment.
Query: A pleasant surprise

Someone recommended this book to me as a joke, but I have to admit that I was pleasantly surprised. On a superficial level, it's a gross-out book, plain and simple. Shock value on every page, the author trying to best himself with more and more sex and blood ... but if you actually bother to read the book, the real text, you'll find it's an incredibly insightful story with observations on everything from science to society. I think true intellectuals will love it for the author's observations and analysis, gore-lovers will love it for the blood and guts, and probably everyone else will hate it.