The book sale taking place onscreen is the very opposite of that offered by Amazon.com--an orderly and antiseptic transaction that promises you the exact title you seek without so much as having to make eye contact, not to mention touch dirty change from a till. On the sidewalk across the street from Greenwich Village's Washington Square Park, a group of men are trying to eke out a living hawking used books. The footage of them plying their wares hardly makes it seem like the path to riches; some of the older men look as ragged as the paperbacks on their tables. Unlike most of the minimum-wage clerks at Barnes & Noble, these vendors get really passionate about their product: One continually sabotages himself by screaming at customers who grab books too eagerly or want to... More >>>