Harry Potter and the Half-Blood Prince
As Harry begins his sixth year at Hogwarts, he discovers an old book marked as 'Property of the Half-Blood Prince', and begins to learn more about Lord Voldemort's dark past.
Harry Potter and the Prisoner of Azkaban
Harry, Ron and Hermione return to Hogwarts for another magic-filled year. Harry comes face to face with danger yet again, this time in the form of escaped convict, Sirius Black—and turns to sympathetic Professor Lupin for help.