As I recall from my high school days one sure way to get the kids to read a book was to try and ban it. When they tried to ban The Catcher in the Rye from our class reading almost every student went out of their way to read it, even kids in other classes and grade levels,
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I recall a few years ago being in a Barnes and Noble book store in Seattle where they had a table set up exclusively with banned books. They had an information sheet posted saying that one of the most banned books in American schools was The Adventures of Huckleberry Finn. At the time I had no idea it was so controversial.