Via Hot Air, the Daily Mail reports that a book was thrown at President Obama as he spoke at a rally in Philadelphia. The Mail says it's "not clear" what the book was, but I think we can just make it out here...
Click the image for a better look. It's The Complete Idiot's Guide, naturally.
My favourite of the comments at Hot Air: I hope it wasn’t “Atlas Shrugged.” That would smart if it hit a person.