Gatekeeping exists within many facets of our world, yet most people don't know exactly what gatekeeping is and how it impacts our everyday lives. Who Shall Not Pass? Gatekeeping, Communication Theory, and Canadian Media takes a practical look at gatekeeping through the lens of Canadian communication theories and theorists, with a focus on Canadian media. From exploring the basic building blocks of communication and communication theory to exploring the difference between gatekeeping and censorship, readers will establish a solid basis of understanding before diving into explorations of gatekeeping in print and digital media, as well as a brief conversation around the ethics of gatekeeping in today's world. Through in-depth discussion and fascinating case studies, readers will begin to understand some of the complex discussions surrounding gatekeeping, and will be provided tools with which to explore gatekeeping in their own lives.