Oook!
"They say the world is flat and supported on the back of four elephants who themselves stand on the back of a giant turtle." -The Fifth Elephant: A Novel of Discworld by Terry Pratchett.
The Discworld series of books was written by Terry Pratchett and features a variety of characters including dwarfs, witches, wizards, trolls, and humans just trying to get along on their flat world as it rides across the universe on the back of Great A'Tuin. Oh, and Death pops in every once in a while.