Instruct: Classify Amazon reviews into positive or negative sentiment
Query: It helped me sell my book!

Well I just sold my book! I followed this book's instructions exactly, and it worked. I even had a publisher tell me "I've never seen such a detailed proposal." LOL.Writing a fine-tuning a book proposal will take weeks if not months. You only have one shot with a publisher or agent, better make it a good one. And better follow this book's guidelines.