A free user’s manual, the “User Guide to Using the Linux Desktop,” published by the International Open Source Network
(IOSN), a subsidiary of United Nations Asia-Pacific Development
Information Programme (UN APDIP), includes training materials and
presentation slides in OpenOffice.org format, intended for spreading
the word that Linux is suitable as a no-cost desktop operating system.
Looks like their site has been totally overwhelmed by being featured on Slashdot and ZDNetUK, but check the site out in a day or two, when it has recovered.