http://www.opticalillusion.net Illusions and visual special effects - explanations and tutorials Fri, 16 Jul 2010 12:16:59 +0000 http://wordpress.org/?v=2.9.1 en hourly 1 http://www.opticalillusion.net/classic-illusion-books/classic-illusion-books/ http://www.opticalillusion.net/classic-illusion-books/classic-illusion-books/#comments Tue, 02 Sep 2008 09:41:52 +0000 david http://www.opticalillusion.net/?p=230 http://www.opticalillusion.net/classic-illusion-books/classic-illusion-books/feed/ 0