Harry Potter and the Half-Blood Prince

Another summer in the Dursley household is coming to an end. Harry Potter is eagerly awaiting Professor Dumbledore's visit. The last time he had met the Headmaster of Hogwarts School was in a fierce duel with Voldemort. Harry can't hide his anguish. Why is Dumbledore rushing to see him now? What is it that can't wait until the new school year starts? The sixth year at Hogwarts School promises to be explosive and will forever change the lives of Harry and his friends...