Yet another new book, but with heavy emphasis on practical techniques for the PHP programmer; XSLT,XML-RPC, SOAP, WSDL, and RDF

Professional PHP4 XML Wrox

wrox http://www.wrox.com/ACON11.asp?WROXEMPTOKEN=526633ZECX4QWlyQBEr8D6uVfF&ISBN= 1861007213

amazon http://www.amazon.com/exec/obidos/asin/1861007213/ref%3Dnosim/wrox-20/104-56 96179-2257516