The materials that publishers, booksellers, librarians, educators, writers--and readers, too--must defend in the everyday business of disseminating literature are more open, frank, and challenging than ever before. I hope that this edition of Banned Books will lead readers further into the issues it raises. The old basic areas of censorship remain--doctrine, sex, secrecy, security. The points of conflict keep shifting. The bureaucracy, but also by the social climates; not only by official suppression, but by the writer's or editor's expurgation"--Page ix.