www....free-download.com/.../a-practical-guide-to-ubuntu-linux-3rd-ed\ition.php==The latter is direct link to .rar file.www.freebooklinks.com/.../http://www.ubuntupocketguide.com/index_main.htmlwww.onlinecomputerbooks.com/free-linux-books14.phpOthers are available online, just in case the local bookstores have slimselections.