XML....
Sams
Teach Yourself XML in 21 Days 
Sams Teach Yourself
XML in 21 Days, written by expert author
Steve Holzner, offers hundreds of real-world
examples demonstrating the uses of XML
and the newest tools developers need
to make the most of it. Read it online
from sams reference library.
Essential
XML Quick Reference 
Essential XML
Quick Reference: A Programmer's Reference
to XML, XPath, XSLT, XML Schema, SOAP,
and More is provided as a free download
from theserverside.net.
XML
Programming: Web Applications and Web
Services With JSP and ASP 
XML Programming:
Web Applications and Web Services with
JSP and ASP provides a fast-moving introduction
to the XML family of technologies for
programmers. It can be downloaded from
Apress free book section.
Google,
Amazon, and Beyond: Creating and Consuming
Web Services 
Based on the publicly
available Google and Amazon Web Services,
this book presents a variety of cross-platform
examples showing how to create, provide,
deploy, and consumer Web Services. It
can be downloaded from Apress free book
section.
XML
1.1 Bible 
Access 5 sample
chapters Chapter 15: XSL Transformations,
Chapter 16: XSL Formatting Objects, Chapter
17: XLinks, Chapter 18: XPointers and
Chapter 20: Schemas of XML 1.1 Bible.
Java
