Buena Vista Pictures, HarperCollins and Facebook teamed up to promote the theatrical release THE CHRONICLES OF NARNIA: PRINCE CASPIAN. Facebook social network, another trivia game will let fans†join the battl? with Prince Caspian, taking on the identity of a favorite character from the series and challenge their friends to answer 100 trivia questions about the books. Providing the correct answers unlocks more content, including wallpapers and buddy icons relating to the book and the movie.