Banned Books Week
Books are often challenged or banned due to content deemed inappropriate for children and young adults. Sponsored by the American Library Association, Banned Books Week attempts to highlight frequently challenged or banned books. It also serves to support literature that expresses a variety of opinions, even those deemed unpopular. Learn more about this issue at ALA's challenged or banned books page.
Source: Office for Intellectual Freedom, Number of Challenges By Year, Reason, Initiator & Institution (1990-2010), American Library Association. Web. 02 May 2013.
The Freedom to Read Foundation
Affiliated with the American Library Association, FTRF is an organization dedicated to defending the right to read in libraries and beyond.
National Coalition Against Censorship
The NCAC is an alliance of over 50 organizations fighting against censorship in all its forms. The news section on their website is a great way of keeping abreast of current censorship cases.