Marketing material? Preview? In all circumstances it's a short report about the book Ubuntu hacks and works as a teaser for me.
Read about the book here
This is a book written by passionate Ubuntu and Kubuntu users who are excited to talk about a powerful, cool distro that meets the needs of novice, intermediate, and experienced users in a wide variety of ways. The hacks in this book cover the essential areas of Ubuntu, and theyll help readers maximize their use of the distro