Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Heat

Heat by Bill Buford is a record the author's culinary career, starting from the lowest and least desirable rank in the kitchen to being an apprentice at the side of one of the most admirable chefs in New York. Bill spends three years focusing on mastering his art of cooking, to become somebody in the restaurant industry. They are not easy years, especially at the beginning when he is only a "kitchen bitch" and has to prove himself every time he wants to be moved one step in the kitchen hierarchy. Heat is written in a very humorous way and it makes you laugh all the way throughout the book. But you can also learn a lot about the food from elaborate descriptions of pasta making, meat preparation and etc. Most of all, the book makes you hungry for more of Bill Buford.