6 years i have volunteered in my sons' very large and cheerful elementary school library, and every week the kids march in and drop their books with a satisfying thump onto the desk to be checked in, and then later they skip up to the desk, eyes shining, with new selections clutched hopefully to their chests.
when i went to school in the '70's, we would also march down to the school library, (of course ours was really more like a giant closet) and we would have ten minutes or so to pick a book, and although there must have been a librarian who rubber-stamped the cards, i do not remember 