Yeah, good idea. I have decided that the library is at once THE best place to find quality women and the hardest place to approach them. The good part is, you can always find hot women alone that normally would never be found alone, and you know most of the women in there are more intelligent than your average club/bar-hopper.
Anyway, in trying to think of good ways to not come across as a weirdo prowling the library for girls, one good idea I came up with that is certainly nothing original is to go come up with a phony survey and ask your "target" to help you out. Of course, if she has any interest at all in you, she will want to help you and will fill it out. If not, she will be dismissive, act busy, and that is one less girl you have to worry about. So I think it would be a good screening method and can be applied to an entire library of people if you wanted. Beyond breaking the ice, I have no idea how one would go in for the kill, and this is likely to just make things even more awkward, but it's an idea. Maybe take the completed survey from her hands, look at her in the eyes as if you were just struck by her unbelievable beauty, and tell her, "Hold on, I forgot one little item," and pencil in "Phone Number:_______" on the bottom of the page. I have passed surveys out in the library before (REAL ones) and most people were willing to participate, plus it looks like you're there for a legitimate reason, so it's feasible, although maybe a little impractical.
On second thought, maybe you're better off with a more direct approach, such as, "Hey, can you quiz me real quick before my test today?" as you hold at the study questions.
The fact is, from my observations, of the girls who frequent the college library, a good portion (probably half) of them are there because they're bored. The other half are actually studying. As if most men weren't timid enough, the thought of a some girl shattering the silence in a deathly quiet library room because of his pathetic approach is a powerful deterrant, and the reason, I suppose, why more men don't tap into this rich resource.