Harry Potter and the Half-Blood Prince

With sixteen years of age, Harry began its sixth year at Hogwarts. Elected captain of the Quidditch team, training, examinations and the girls take their time. Despite the security controls, two students are attacked. Dumbledore knows that the time is approaching, announced by the prophecy, in which Harry and Voldemort face to death.
The elder director along with Harry undertake hazardous journeys to try to weaken the enemy to which the young magician will have an old book of potions in a character that makes people call Half-blood Prince