Anderson, Herr, and Nihlen have thoroughly updated and revised their classic book on action research. Since the publication of the first edition, action research has become an established professional development practice in schools and in teacher education programs. But the fundamentals havenA t changed, nor have the challenges that teacher researchers will face. The authors expertly guide educators through the action research process, alleviating potential concerns and questions. The book is full of new and updated examples that help to make the process concrete. New features to the second edition include:A chapter on crafting the research question and the research design Political and ethical considerations New examples of action research studies that reflect the current educational environmentThis book is intended for teachers, principals, and other school-based educators. It is also appropriate for research courses in teacher education programs.