2009-04-23 World Book and Copyright Day * http://www.un.org/depts/dhl/book/index.html http://portal.unesco.org/culture/ http://en.wikipedia.org/wiki/World_Book_and_Copyright_Day http://www.worldbookday.com/_ World Book and Copyright Day 2008 http://www.youtube.com/watch?v=SBGwjzlvoE4