You may have been told not to judge a book by its cover, but for today we’re encouraging it. Book lovers know that there is nothing quite like an aesthetically-pleasing, well-organized book shelf. One of the most abiding trends in book organization is sorting your books to look like a rainbow and we’re here for it. While we won’t be reorganizing the library shelves into a rainbow anytime soon, here are some great and colorful reads if you want to make your own shelves a little more ROY G BIV