ARTHUR GRIFFITH is a computer consultant and programmer with more than twenty years of experience. His extensive system experience includes the implementation of special-purpose programming languages, porting a workflow software system from Unix to Windows NT, implementing a word search engine, modifying a control center for satellite telecommunications, and combining databases of a health insurance company and an HMO. He has authored or coauthored nine books since 1996, including Graphics Programming with JFC (Wiley) with David Wall.