https://www.bbc.co.uk/news/world-us-canada-65794363
The author John Green who was top of a recent list said that the Bible was number 6 on the list.
As other comments have pointed out, a "ban" is where a library has chosen not to stock a book for reasons including response to a complaint. If school library serves children up to the age of 13, then certain explicit fiction is not appropriate and would be expected to be removed.