Graphic elements such as sidebars, reader-alert icons, and boxed highlights stress selected points from the text, illuminate keys to learning, and give students quick pointers to the essentials. * Designed to appeal to underprepared students and readers turned off by dense text * Cartoons, sidebars, icons, and other graphic pointers get the material across fast * Concise text focuses on the essence of the subject * Delivers expert help from teachers who are authorities in their fields * Perfect for last-minute test preparation * So small and light that they fit in a backpack!.