The article "American Public Administration: Public Service for the 21st Century" discusses various aspects of public administration in the modern era. It covers topics such as the role of public service, the growth of administration, the political environment, federalism, civil society, organizational theories, managing change, leadership, policy processes, privatization, budgeting, human resources, information systems, and ethics. The main goal is to explore how public administration functions in today's society. Key findings include the importance of effective leadership, the impact of organizational change, and the role of ethics in public organizations.