Harry Potter and the Half-Blood Prince

In the sixth installment of the series, Harry Potter returns to Hogwarts for his final year as a student, finding the school atmosphere tense with rumors of danger and the presence of a Death Eater. Under the watchful eye of his new Defense Against the Dark Arts teacher, the enigmatic and eccentric Horace Slughorn, Harry navigates a curriculum that feels increasingly disconnected from the reality of the magical world's descent into darkness. His investigation into the true nature of Lord Voldemort’s past and his own parentage becomes a central obsession, driven by a desire to understand the source of the evil that has haunted his life.

Description adapted from Open Library ↗.