These ladies are two characters from Chizicus ( http://chizicus.tumblr.com/ ) and Pigeonsoup ( http://pigeonsoup.tumblr.com/ ) ' s extremely neat webcomic Gran Grimoire ( http://www.grangrimoire.com/ ), which you should check out. I figured some sort of a mysterious library would be appropriate. The library is very very slightly based on this ( http://cache2.asset-cache.net/gc/CA0573-005-france-paris-assemblee-nationale-palais-gettyimages.jpg?v=1&c=IWSAsset&k=2&d=kUg8zxsITqE39NKTEjErVXvpU9BHqFSzChtHhl8LquY%3D ) but only slightly.