Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Strife and deception at Hogwarts

The Half Blood Prince is setting the scene for an epic battle betweeh Harry and Lord Voldemort, while strengthening the bonds between the central members of the DA (Dumbledore's Army). Harry faces the most difficult trials he's come against to date, and his resolve to fulfill his destiny is strengthened.Wonderful book!