The Vassar Library could be a model for J.K. Rowling’s work:
A closer look at the jarringly contemporary containers along the mid-left edge of that picture:
Pop quiz: How many books did they find in the trash before they added the placards?
Bonus: How much did that reduce the burn rate? It’s surely still nonzero, because nobody reads instructions. Right?
Double bonus: Does the real book drop sport a “This is NOT a trash can” placard?