"Helping a parent find materials, while still holding them responsible for having a role in what their child brings home, keeps our own urge to censor, whether small or great, out of the equation."
This is the best line in this article, but the whole thing is great because it deals with the difference between what children are able to check out of a library, which is usually everything and what a child should or is allowed to check out, which needs to be determined by parents.