Avert your eyes! A gallery of banned and challenged books
This is Banned Books Week, an annual awareness campaign during which librarians and others celebrate free speech by highlighting those books challenged most during the year. Every year, the list gets longer. Here's a look at some of the books that have been banned and challenged across the U.S.
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'Captain Underpants' books by Dav Pilkey
It doesn't matter that Dav Pilkey's "Captain Underpants" books are wildly popular with kids; the books were the most frequently challenged in 2013.