This book gives an overview of the development, significance, and impact of radio as a medium of mass communication in modern society. It provides a thorough understanding of the various wings and functionaries of the radio industry. The book also covers aspects of commercial radio, the basics of understanding the pulse of radio listeners, formatting radio programming, making an effective sales pitch and producing great commercials to exhaustive advice on presenting a show, appearing for interviews, and public speaking. It also gives insight into the changes brought in by technology in terms of traditional radio broadcasts, such as digital radio, highlighting its advancements in audio quality and the diversity of programming options available, and satellite radio, subscription-based services, and exclusive access to specialised programming. An outcome of the author's vast experience of working as a radio jockey and programme manager for over 17 years, his book will be an ideal textbook for undergraduate and postgraduate students of journalism and mass communication, taking courses on radio, audio and podcasting, media production and digital media. Additionally, this book will be an invaluable companion to existing radio professionals as a resource-book for their professional development.