A culture war is being fought in America’s schools. “According to the American Library Association, which asks school districts and libraries to report efforts to ban books – that is, have them removed from shelves or reading lists – they are on the rise again: 547 books were challenged last year, up from 458 in 2003. These aren’t record numbers. In the 1990’s the appearance of the Harry Potter books, with their themes of witchcraft and wizardry, caused a raft of objections from evangelical Christians.”