The study of censorship is important not because we are shocked by the contents of a book or because a complaint about a work offends our sensibilities, but rather because this conflict between powerful opposing forces in society can threaten its foundations and ideals. Conflict exists because reasonable individuals in our society disagree as to what defines the limitations of creativity and expression, and who should decide when those boundaries ahve been overstepped. These issues are addressed in detail in this important and timely new survey.