Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Brilliant!!

This book is a must read for any Harry Potter fan. It has only enhanced the enjoyment I receive when reading the Harry Potter books and has me even more curious and excited about the future of the series. It is in a well organized format and the author has a delightful sense of humor. I can't say enough wonderful things about this book, you must read it to appreciate it.