This book is set up for both newbie and guru alike, crammed with tips and tricks, arranged in a way that you can just browse and pick, or use it kind of like a Ubuntu cookbook, if you will. While reading and reviewing the book, you ought to have a machine nearby to test the hacks and hints. They are absolutely amazing. There are over 100 tips in the book, and each is a gem in its own right. The tips range from optimizing the speed of your machine, to GUI hacks, hardware, messing with media, security enhancements, system administration and much more. The table of contents is really great too! Truly this book is for anyone who wants to use Ubuntu who hasn't been working with the code directly and would like to know more about the OS and what it can do. If you are looking for a good book to help you enhance your understanding of Linux and Ubuntu, this is the book, get it now. Definitely recommended for both novice and expert alike, it is a breath of fresh air when compared to those Linux books that seem obsessed with the installation of Linux and tend to forget about the neat stuff...