Personally, I’m of the opinion that, in fantasy RPGs, a ruined, abandoned library is much better than a regular library. Hear me out. So, either one can be a place the players go to find information, but in a ruined library, much more interesting things can happen. There might be monsters. There might be traps. There might be some crazy old guy that’s been living in there for the past 20 years. Maybe one of the bookshelves is a mimic. There are lots of possibilities.
But what’s really going to happen at a regular library? The party might get told to keep it down? Most RPGs don’t really have “library mechanics,” where you roll to see if you can effectively navigate the complexities of the dewey decimal system. Plus, it feels kind of weird when the arcane lore the party needs in order to defeat the ancient lich god turns out to be publicly available information. “Oh, so lots of people know that you need a mithril hammer engraved with dwarven runes to destroy his phylactery.” Maybe it’s just me, but that feels a little awkward.
Next up, I’ll be drawing an orcish/barbarian burial ground. I’m imagining a number of small crypts and barrow mounds, plus maybe one larger one. I think it should be a pretty useful map, since nearly all D&D parties do a bit of grave robbing now and again. And, hey, barbarian tombs are worth looting too. They may have been poorly educated and unhygienic, but that doesn’t mean they weren’t buried with some good stuff. It’s worth a look, anyway.
ooooh, if i ever run my the spelljammer campaign this will be the library tower
your creativity amazes me I could never come up with all this stuff