Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Worst Book Ever

DO NOT BUY THIS BOOK!!! OR ANY OTHER BOOK WRITTEN BY THIS AUTHOR. HE IS A CHARLATAN, A CHEAT, A CROOK. THE ONLY PERSON THAT MAKES MONEY FROM THIS BOOK IS THE AUTHOR. IF YOU ARE INTERESTED IN PERSONAL FINANCE LOOK UP JOHN BOGLE OR WILLIAM BERNSTEIN. THERE IS NO WAY FOR YOU (THE READER) TO GET RICH QUICK BY READING THIS WORTHLESS BOOK.