XML: A Deeper Understanding
By John Shirrell
XML-Host-51 .at. xmlbook.info

Online book chapters:

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Chapter 1: Introduction
Chapter 2: SGML
Chapter 3: HTML
Chapter 4: XML
Chapter 5: RSS
Chapter 6: XHTML
Chapter 7: DTDs and Schema
Chapter 8: CSS
Chapter 9: XSL and XSLT
Chapter 10: XML Applications
Appendix A: References

Other resources:

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Print Entire Book

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