In an increasingly worrying world, Harry prepares to find Ron and Hermione. Soon, it will be back to school at Hogwarts, with the other sixth year students. But why does Dumbledore come in person to pick Harry up from the Dursleys? What extraordinary journeys into the heart of memory will he take him on? Emotion, humor, art of suspense... J.K. Rowling reveals in this sixth volume the fascinating complexity of the universe she created, and sets up all the mechanisms for the outcome.