Harry Potter und der Halbblutprinz

Since Voldemort, the most dangerous black magician of all time, returned, there has been turmoil and violence in the magical world. When Harry and his friends Ron and Hermione come to Hogwarts for their first year of school, the strictest security measures are in place at the magic school. Dumbledore wants to protect his charges from evil. To arm Harry, he researches with him the history of what used to belong to a half-blood prince. Can he help him?