I'm loving this literary wallpaper. It's from Swedish wallpaper company Mr Perswall, which recently launched its Communication collection. It'll cost you £27 per square meter (about $42 per 10.8 square feet), though I have no clue as to if this is cheap, average, or extravagant, since the only experience I have with wallpaper dates back to high school, when I discovered you really do have to remove all of it before attempting to paint.
The collection also features this library design:
If you read this post, you already know how I feel about book wallpaper, though.
You can browse the rest of the Communication collection here.