gettin' away from books, but Rebecca Sugar's short animation Singles has a cool, eerie example. (I was going to post a link, but I can't tell if any of the links are the original, or stable, and google pulls it up pretty well)
I remember some experimental short fiction, that had self referential sentences that also described the full piece. It didn't make enough of an impression on me that I remember it well enough to look it up again, and I think it could be done better, especially now that people can hit crtl-f and replace words.
Here's a 14 minute youtube video
about a song that I did remember well enough to look up again.
Would you count things that have their titles as thing inside of them?
The King in Yellow is a book that has stories about a book called The King in Yellow.
Although, it's not the same book, it's at least a sort of meta.
okay, one more
Animal Crossing New Leaf recently added minigames in the form of furniture items based on nintendo consoles
So now I can ignore my friends playing a DS game where I ignore my friends playing a DS game.