Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Concise and Precise

Peter Drucker is a subject in and of itself. His insights into the movement of people and their actions are legendary within the business world. This book provides a clear, essential summary of his life work. If you are in business (which is most of us), if you are looking for ideas, or just plain interested in who thought up some of the "common" business maps of the day, chances are you can read this book and find out that they are all linked to Mr. Drucker. This is not your normal biography- there is real substance here.