This occurs in Harry Potter and the Half-Blood Prince when Ron accidentally ... is a low point for Ron, but it inadvertently helps his eventual romance with Hermione Granger.

During Harry Potter's sixth year at Hogwarts, he finds a book that once belonged to the mysterious Half-Blood Prince that earns him the respect of his new Potions professor Horace Slughorn.

The Half-Blood Prince and The Deathly Hallows. The main roles currently being cast are for the main trio from the books. Harry is an 11-year-old orphaned boy who lives in a cupboard under the ...