The purpose of this book was not only to examine the wide spectrum of advertising with focus on radio and television advertising, but it also examined how a particular media organization BCOS Ibadan undertakes adverts processes on both channels radio and television. In summary, this book looked at the historical overview of advertising from ancient to modern days, stating the historical trends of advertising in Nigeria and also take a look at the various phases of development of the Commercial Department of the B.C.O.S Ibadan. The major characteristics of radio and television, advantages and disadvantages of the two media were discussed. Advertising is a creative world and creativity is the heart of tangible advertising. Advertising and creativity were discussed. The role of advertising, and the functions of advertising were outlined. The book also examined the issue of advertising as a mass communication model. A thorough assessment of the BCOS commercial department was done with conclusion and recommendations for the station. Finally, this book will immensely benefit Students of advertising interest in the course and familiarize with the tentacles of Advertising.