The collection is the smallest part of the building

Judging a library by its shelf count is like judging a kitchen by its cupboards.

The habit of measuring a library by how many items it holds is a leftover from a time when holdings were the only thing that could be counted. It made sense once. If the nearest other copy of a thing was two hundred kilometres away, the number of copies in the room was the whole story. That is no longer the situation, and a library that measured itself purely by shelf metres would be describing a fraction of what it actually provides on any given Tuesday. The number is real, and it is still worth knowing, but it has stopped being the headline in the way it once was.

What has replaced the shelf count is harder to put on a plaque. It is the accumulated capacity of a building and its staff to be useful in unpredictable ways. Somebody needs to print one page. Somebody needs a quiet table with power. Somebody needs a person to sit beside them while they work out an online form. Somebody needs a room for eight people for an hour. Somebody needs to know what happened on their street sixty years ago. None of that fits neatly into a collection statistic, and all of it is the reason the doors are open.

The shelves have not become unimportant. They are the reason people come in the first time, and browsing them remains one of the genuinely irreplaceable pleasures of the place. But treat them as the front door rather than the house. If you have only ever used your library to collect a reserved item and leave, you have used roughly a tenth of it. Ask at the desk what else the building does. The answer differs by council, and the answer is usually longer than you expect. Most people who do this walk out with at least one thing they had no idea was available to them, and often several.