XML Processing with Perl, Python, and PHP by Martin C. Brown

-The only book that focuses on the usage of XML with the most popular scripting languages, including Perl, Python, PHP, Ruby, Rebol, TCL, and Mac OS X's AppleScript.
-Complete coverage of the core XML processing issues, including the basics of parsing XML documents, converting XML to and from different formats and translating objects for use with databases.
-This book goes beyond the basics into advanced topics, such as using the SAX API for Perl, and using SOAP and XML-RPC to share XML formatted information over a network connection.