OP posted a comment that said they don't think there's anything off limit, which is the natural conclusion.
Some things should not be shown to children. this should not be a controversial topic.
Some things should not be shown to children. this should not be a controversial topic.
Is it conceivable that some librarian went off their meds and put a pornographic manga title on the shelf? Yea. But what we are talking about are books that are selected by educators getting banned because they represent ideas that small minds are threatened by.