I looked at the shop, but didn't find the book, called Joomla! A User's Guide: Building a Joomla! Powered Website. In the sample pages I can see this:
This sample content is excerpted from the forthcoming book, titled "Joomla!! A User's Guide: Building a Joomla! Powered Website", to publish in May, 2007, by Prentice Hall Professional. (...)
Could somebody give me any information about this book? Is it published?