Mailing the story:

If you haven't used Linux before, are new to Ubuntu, or would like a quick update on the latest in open source advancements for the desktop, then The Official Ubuntu Book is a great place to start. Authored by a group of some of the most experienced open source administrators and developers, this 400-page user guide details everything you need to know about how to make the most of your Ubuntu, Kubuntu (Ubuntu with KDE), and Xubuntu (Ubuntu with Xfce) computer.