abstract angled angles appearance ball colored colorful coloring colors coloured colourful colouring colours common face popular recognisable recognizable round rubber-ball smile smiley-face symbol symbolic toy variations variety well-known yellow antiquarian binding boards books classical classics close-up closed cloth corners covers culture edge edging editions fabric gold-finish gold-leaf hardcover historic leaves libraries library old pages Preserved publications red series set spines text-block-top texture textures top-edge-gilt value well-kept Dirt dirty fading wearing-out worn color coloration colour familiar impressed impression outline outlined raised shape shaped shapes smiling surface surfaces surfacing textured copper foil glass pink animal Australia beak bird black feather white amphibian frog green green frog