Take a deep breath…
…and try not to think about indoor air pollution. I’m not talking about the smell of microwaved left-overs either- there’s all sorts of nasty stuff floating around indoors. You could buy a fancy $300 air filter for your workspace, or just get a few plants.
This article from Lifehacker gives you three of the best plants to improve the air in your library.
I know from experience that the Money Plant thrives in low-light, low-care conditions (most of my indoor plants have to survive low-care conditions).
Do you have any indoor plants in your library?