A phenomenally successful "open source" encyclopedia. It has a very active community of contributers and editors. There are editions in 255 languages.
http://en.wikipedia.org/wiki/Main_Page
http://www.worldalmanacforkids.com/
http://www.fedstats.gov/
http://www.census.gov/
Provides current U.S. and local address directories, as well as national and local demographic and economic data. OWWL LIBRARY CARD NUMBER REQUIRED
http://www.referenceusa.com/libraryLogin.asp
Several of the choices on this site include a child's animal encyclopedia and a child's general encyclopedia with two themes. OWWL LIBRARY CARD NUMBER REQUIRED
http://proxy.owwl.org:2048/login?url=http://search.ebscohost.com/login.a...
