In addition to writing XML.com's monthly Transforming XML column and other pieces for XML.com since 1998, Bob DuCharme (http://www.snee.com/bob) is the author of Manning Publications' XSLT Quickly, a tutorial and users guide to XSLT. He also wrote Prentice Hall's "XML: The Annotated Specification" and "SGML CD" and McGraw Hill's "Operating Systems Handbook" and has contributed to IBM developerWorks, XML Magazine, XML Journal, and Prentice Hall's "XML Handbook." Bob, a senior consultant at Innodata Isogen, holds a BA in religion from Columbia University and a masters in computer science from New York University.