This new edition of A Handbook of Children and Young People's Participation brings together work from research and practice to reflect on some of the key developments in the field since the first edition published in 2010. Subtitled 'Conversations for Transformational Change', the collection focuses on both ongoing and new discourses that enable us to advance thinking and practice to better understand what it means for participation to be transformational. Featuring all new content, it explores the developments that have been achieved in theory and practice in the last decade as well as the challenges and, indeed, the limitations of dominant participation approaches with children and young people in achieving genuine societal transformation. A key feature of the Handbook is the inclusion of young people as co-authors in many of the chapters. Foregrounding aspects of participation as experienced by diverse groups of children and young people, the book especially illuminates the experiences and perspectives of participation relating to groups of children who face particular challenges, such as displaced children and children living with disabilities and young people from indigenous groups in a range of contexts. The broad spectrum of debates that the text covers will be invaluable in challenging and transforming thinking and practice for a wide range of scholars, practitioners, activists and young people themselves. It will additionally be suitable for use on a wide range of courses including childhood and youth studies, sociology, law, political studies, community development, development studies, children's rights, citizenship studies, education and social work.