I have soft spot for old books. I love the smell, the color, the signs of use like a name penciled in or a page marked up. The texture, shape and contrast in this art using old books by South African, Keri Muller is fabulous.
Love Book Folding Book Folding Basics Explained - This lists several lessons to help a beginner learn the art of book folding. It's a great tutorial to learn the art. In the final lesson you are taken though the steps to fold the heart featured on Book