It seems a shame not to try and puzzle out a way to avoid kitsch and make it work, since it is such an genuinely vernacular democratic American tradition. White and black seem to go particularly well with it, perhaps because of these colors convey austerity and restraint, which is another aspect of American style, deriving from our Puritan heritage.
When you can escape into the luxury of a good book, you don't need anything else to enjoy yourself. But this space, with its floor to ceiling bookshelves and ample sunny spaces to curl up on a cool day would be the ultimate escape for any book lover. The color palette is simple and warm, letting the books themselves really take center stage.