Alan Simpson (New Hope, PA) is the author of over 80 computer books published throughout the world in over a dozen languages. His award-winning titles have sold hundreds of thousands of copies and are best known for their light, engaging style and clear, straightforward approach to technical subjects. Alan has written books on operating systems (DOS, Windows, Linux), Internet (HTML, JavaScript), databases, spreadsheets, word processing programs, and more. Prior to becoming an author, Alan worked as a software consultant, programmer, and teacher. Alan lives in Pennsylvania with his wife and two children. Recent titles include: Windows XP Bible (HMI), Using Red Hat Linux, Special Edition (Que), Mastering WordPerfect 9 (Sybex), The Official Internet Explorer Site Builder Toolkit (Microsoft Press), HTML Publishing Bible (IDG Books).