Again, kudos to the librarians for fighting book censorship, including age ratings on books, which would ultimately amount to book censorship with extra steps.
Sure, have kids sections and adult sections, but if a kid wants to learn about something, let them do it.
Btw, this is the exact same for the internet.
Labeling and Rating Systems Q&A
Librarians employ objective professional judgment through selection, cataloging, classification, and readers' services to make available the i...