The book comes flying at Obama towards the end of the video at the 24 second mark. Of course, if you're surprised that you didn't hear about this in the news, that's because only two news outlets mentioned that a book was thrown at him. If you didn't see the book, look below for a still photo of the book flying past President Obama.
Twitter is going crazy with people discussing the potential title of the mysterious paperback book that was thrown at him. A close up photo below should give us some clues at to what book it was.
Anyone want to take a guess as to what book it was?