As the year begins, Harry picks up the sixth year potions book of a certain 'Half-Blood Prince' and becomes proficient in potions. But he becomes increasingly obsessed with the identity of this mysterious 'Half-Blood Prince'.
Professor Snape, Head of Slytherin House andPotions Master for Harry's first five years at Hogwarts, reveals to him that heis the author of the book's annotations.
Exactement ce que j'attendais