William Harrel has been writing about computer technology for well over 25 years. He has authored or coauthored 20 books—including titles in the popular Bible, Secrets, and For Dummies series—on digital design software applications, such as Acrobat, Photoshop, and QuarkXPress. His latest title was HTML, CSS, and JavaScript Mobile Development for Dummies (a handbook for creating Web sites for smartphones and tablets).
Harrel also owns and operates a design firm, WilliamHarrel.com, located in Southern California, and he is the printer and scanner Expert for About.com.