Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A very good practice resource

Everyone can guess that a subject as extensive as Organic Chemistry, making well over thousand pages long textbooks, cannot be packed well with the same concept-teaching potential into a 400-page long outline. The authors make it clear from the very first page that to really master a subject one has to practice, practice, and again practice. The word "Outline" may serve a bad service to those who think this book is as shallow as, say, "Organic Chemistry Demystified". It is not, and in fact it's probably too advanced for those who rate this book low. On the other hand, "Outline" also serves a bad service to the book itself, as those seeking a more advanced practice may not even consider it. I would rather call it Intermediary Organic Chemistry. But I bet if you do find time to go thru every problem in the book you will never be the same person again as before.