This concise, yet comprehensive treatment of public sector leadership is designed for upper level and graduate students, and can also serve as a guidebook for professionals in the field. In addition to a full, up-to-date review of leadership theories, it covers the main competency clusters in detail, and provides both the research on each competency and practical guidelines for improvement. These competencies are graphically portrayed in a Leadership Action cycle that aids students in visually connecting theory and practice. For this edition the book is now organized into two parts to better cluster the chapters on theory and the chapters on practice. The chapter on major leadership styles breaks up the external style into two styles, consistent with recent literature, and the chapter on early management theories and transactional theories has been broadened to include stratified systems theory. Distributed leadership and ethics-based leadership each now receive full chapter treatments. Power, influence, and attribution are now covered in a new chapter which includes coverage of power and gender as well as entirely new material on world cultures and leadership. The chapter on Integrated Leadership has been reframed as a chapter on competency based approaches, and references and examples are updated throughout the book. The text includes discussion questions and scenarios at the end of each chapter, numerous exhibits, and an easily reproducible leadership assessment instrument. An all-new online Instructor's Manual is available to adopters.