The students return to school, and Dumbledore announces that Snape will be teaching Defense Against the Dark Arts, much to Harry's surprise. Harry receives a used Potions textbook that once belonged to someone named "The Half-Blood Prince." G - Who's the Half-Blood Prince? He - Who? G - That's what it says right here.
With Daniel Radcliffe, Emma Watson, Rupert Grint, Michael Gambon. As Harry Potter begins his sixth year at Hogwarts, he discovers an old book marked as "the property of the Half-Blood Prince" and begins to learn more about Lord Voldemort's dark past. J.