Ever thought about what a book smells like? I was in a Barnes and Nobles recently and, to my surprise, I smelled a book. It was as if something unconscious inside me was interested not just in the feel of the story but the scent of it as well.   I remember, when I was younger, reading an old paperback copy of The Lord of the Rings and the scent has always stuck with me. That's the quintessential scent of a book to me: old paper, a little bit of glue, and slight amo...