20 years of Harry Potter - on the occasion of the anniversary, all seven volumes are being released in a magnificent new design. Since Voldemort, the most dangerous dark wizard of all time, has returned, chaos and violence reign in the magical world. When Harry and his friends Ron and Hermione return for their sixth year at Hogwarts, the strictest security measures are in place at the wizarding school. To prepare Harry against evil, Dumbledore explores the history of the Dark Lord with him. Can Harry's potions book, which once belonged to a Half-Blood Prince, help him? This is the sixth volume of the internationally successful Harry Potter series that has shaped generations. All volumes of the series: Harry Potter and the Philosopher's Stone, Harry Potter and the Chamber of Secrets, Harry Potter and the Prisoner of Azkaban, Harry Potter and the Goblet of Fire.