View full lesson: http://ed.ted.com/lessons/the-evoluti…What makes a book a book? Is it just anything that stores and communicates information? Or does it have to do with paper, binding, font, ink, its weight in your hands, the smell of the pages? To answer these questions, Julie Dreyfuss goes bac

Source: http://www.youtube.com/watch?v=_YqYtdPUis4