The Williams Report on Obscenity and Film Censorship provoked predictably strong reactions in Britain when it first appeared (in 1979), both from those who had read it and from those who had not. It is reissued here, in an abridged form, in the belief that it ought to be more widely read and more fully discussed. The practical issues and political principles examined in the Report are certainly of very general and continuing interest, and the report will remain a crucial point of reference for all future public discussion of the subject, whether in Britain or elsewhere. This edition presents all the main findings and arguments of the full report, omitting only the length appendices. There is a preface which explains the background and briefly comments on the reception of the report.