Ready to be published? LXer is read by around 350,000 individuals each month, and is an excellent place for you to publish your ideas, thoughts, reviews, complaints, etc. Do you have something to say to the Linux community?
The book focuses on the version of Linux it comes with, but for the intended audience and goal I think this serves the purpose well. If you want to see what Linux is about, check out Linux For Non-Geeks.