Ubuntu Unleashed 2011 Edition: Covering 10.10 and 11.04 (6th Edition) is a book written by Matthew Helmke, Andrew Hudson and Paul Hudson. With over 700 pages, The 2011 Edition is the perfect Ubuntu manual and it covers Ubuntu 10.10 and 11.04 from A to Z, including installing, configuring, desktop applications, system administration, games, Ubuntu as a server, programming in Ubuntu.