It undertakes a thorough look into the principles and practices which have defined mass media communication over the years, and how, under the onslaught of emerging technologies and media, the process is undergoing changes. Both theories and practices have been given in comprehensive detail, and the main agenda is to give readers a thorough account of what entails the field of mass media communication in the present era. It is hoped that the incisive and comprehensive content of the text serves well for all.