Harry Potter Hair Evolution – Jim watched each Harry Potter movie literally dozens of times, studying and dissecting each time. Never tired of them. I finally printed him out this Hairstyle Evolution "Crib Sheet" to help him keep them all straight.
Draco ripped out a piece of paper from an unknown book in the beginning of Chamber of Secrets. Hermione had a ripped out piece of paper talking about the Basilisk in the movie. Not sure I agree, but it's food for thought!