"There is nothing so practical as a good theory" - Kurt Lewin

What does theory have to do with the practice of communication? Communication planning is used daily by thousands of people: public relations practitioners, technical writers, information campaigners, advertising professionals, organization consultants, educators, health communicators and more. Without a solid understanding of communication theory, practitioners have difficulty getting their messages heard though all the noise.

The second edition of this best-selling textbook has been updated with the student...