The wait is finally over: Harry Potter and The Half-Blood Prince is released on the big screen today! To help get us in the mood for the movie, I've prepared a quiz on this sixth book of the Harry Potter series, so we're up to speed on the plot. Take the quiz to find out how well you know Harry Potter and The Half-Blood Prince.
WARNING: contains spoilers!
How Well Do You Know Harry Potter and Half-Blood Prince?
Horace Slughorn becomes the teacher of what subject?