Each year, the ALA 's Office for Intellectual Freedom compiles a list of the top ten most frequently challenged books in order to inform the public about censorship in libraries and schools. The ALA condemns censorship and works to ensure free access to information. A challenge is defined as a formal, written complaint, filed with a library or school requesting that materials be removed because of content or appropriateness. The number of challenges reflects only incidents reported. We estimate that for every reported challenge, four or five remain unreported. Therefore, we do not claim comprehensiveness in recording challenges. Over this recent past decade, 5,099* challenges were reported to the Office for Intellectual Freedom. 1,577 challenges due to "sexually explicit" material; 1,291 challenges due to "offensive language"; 989 challenges due to materials deemed "unsuited to age group"; 619 challenged due to "violence...