(Non-HP-fandom people should ignore this post.)
Ahem. lizbee's terrific gen short story "The Language that God Speaks"? (Summary: Pratchett reassured us that all libraries are one, and Gaiman told us about one particularly unique library. Hermione discovers a twenty-year-old experimental potion which allows her to access the Dreaming.)
Right, I have things to do, but had to get my fangirling out of the way first.