Instruct: Classify Amazon reviews into positive or negative sentiment
Query: The best book in both worlds!

This is a book about Harry Potter, who finds himselfin a parallel world of magic.I am 9 years old and I think this is one of the best books I have readand I have read a lot of books!! This is definetely the book of the year!The book is never boring and the people are believable as well as magical. I want to read the sequel!!