Communicating in the 21st Century (C21), 4th edition, is the most comprehensive, flexible and affordable resource package ever developed in the field of communication in Australia. Significantly, it is an original work, not an adaptation of a US or UK text. The author, Baden Eunson, draws on decades of experience in education and industry, building on the success of the previous editions of this text to deliver a total learning package, featuring much new content unavailable elsewhere. Well-developed interpersonal and communication skills are increasingly in demand by employers in all industries. In today's competitive career market, C21 is the perfect tool for students, lecturers and professionals at graduate, postgraduate and professional certificate levels. Course managers can give graduates the differentiating edge in the job market by showing that their graduates have much more to offer than just calibre of academic results in their major studies -- by studying the content of C21 in professional communication subjects/units/modules, and being given course credit for their studies. Employers are crying out for the content this resource provides. This fourth edition contains comprehensive, up-to-date and highly referenced coverage of communication theory continuing to be balanced with extensive practical skill activities. The resource is written in a user-friendly, accessible style and is enhanced by informative illustrations. Each chapter is a tightly structured learning unit based on specific objectives, and includes self-assessment tasks, ethical dilemma case studies, review questions and applied exercises. This is a resource to keep for professional and personal development.