Bob DuCharme (www.snee.com/bob) is the author of Manning Publications' "XSLT Quickly," Prentice Hall's "XML: The Annotated Specification" and "SGML CD," and McGraw Hill's "Operating Systems Handbook." He writes the "Transforming XML" column for XML.com and has contributed to XML Magazine, XML Journal, IBM developerWorks, XML Developer, and Prentice Hall's "XML Handbook." A frequent speaker at industry conferences and user groups, Bob is a consulting software engineer at LexisNexis. He received his BA in religion from Columbia University and his masters in computer science from New York University.