OSWALD CAMPESATO (San Francisco, CA) specializes in Java, Android, jQuery, and CSS3/SVG graphics. He is the author/co-author of seven books including jQuery, CSS3, and HTML5 for Mobile and Desktop Devices and HTML5 Canvas and CSS3 Primer (Mercury Learning).WILLIAM MCALLISTER has taught a wide range of computer science courses that include basic programming, computer graphics, and data structures.