Transformations) is a powerful tool for transforming XML to other formats, such as HTML and PDF. It is at the heart of most XML applications and is a notoriously difficult language to understand. Mastering XSLT offers experienced XML developers comprehensive how-to information, plus an in-depth XSLT reference, including XPath. The book has a special emphasis on converting XML to HTML, a major application of XSLT. A entire section of the book focuses on specific implementation issues, including dealing with different kinds of non-XML output, such as special characters and math computations. Author Chuck White is a communications professional who has done extensive work for numerous Fortune 500 companies. He is President and Chief Creative Officer of The Tumeric Partnership, an integrated marketing communications firm, and is the lead author of Mastering XML, Premium Edition from Sybex. He is also webmaster for Javertising, a popular website for advertising and web development professionals.