Government Communication: Purpose, Principles, Practice by Nimish Rustagi is a practical guide to how governments communicate with citizens and why it matters. The book examines how communication shapes trust, accountability, and effective governance. Drawing on insights from public administration, communication studies, behavioural science, and international guidance, the book offers a clear framework for understanding the purpose, principles, systems, and practice of government communication. It covers foundational questions about ethics, discusses diverse citizen audiences, the institutional structures behind public communication, and the roles of traditional and digital media.The book also explores campaigns, outreach, crisis communication, and emerging trends like artificial intelligence. It addresses how to measure what communication achieves and the challenges in evaluating the impact of communication. The final chapters focus on practice: strategy design, content creation, storytelling, behaviour change communication, and careers in government communication.Written in simple, accessible language, this book is for general readers, students, and practitioners. It is not a final authority but a starting point for clearer thinking about why and how of the practice of government communication.