Remember when, as a child, you learned that old adage to never judge a book by its cover? We’re going to take a stand and say that, well, sometimes you should — when it comes to organizing your bookshelves, that is. Try organizing your books by color, so the ones with pink spines bleed into the reds, then the purples… Above, in the spirit of our Rosemont floral print for fall, a selection of our favorite blue covers for decor inspiration.