Nothing whatsoever to do with Bioshock...
Published on
...which is a complete and total lie, but I'll be reaaaally quick, honest.
Free, official, high-resolution, beee-yooo-tiful Bioshock artbook to download!
It's designed to be high-quality enough for professional printing and binding, and includes an exclusive Ken Levine foreword. Both words and pictures contain spoilers, so download this somewhere safe now, but don't feast your eyes upon it until after you've played the game.