Muffled Drums: the news media in Africa by William A. Hachten Ames, Iowa State University Press, 1971. Pp. xvii+314. $9.50. - Nigerian Press Law edited by T. O. Elias London, Evans, 1969. Pp. 148. £2.15. - Mass Communication in Africa: an annotated bibliography compiled by William A. Hachten Madison, Center for International Communication Studies, University of Wisconsin, 1971. Pp. 121.