About the Author

Erik Siegel runs Xatapult, a consultancy that offers coaching, training, applications, and more to the publishing world. Adam Retter is one of the core developers of eXist-db and has been using and contributing to eXist since 2005. Passionate about the Web, Code Quality, Standards and Portable Code, Adam has been promoting XQuery as a Web Application development language for the last few years. Adam is a member of the XML Guild, an Invited Expert to the W3C XML Query Working group and on the program committee of both the XML Prague and the XML Summer School conferences