Preface.- Section 1: Conceptual and Ethical Considerations for Participatory Work.- 1. Participation takes many forms: Exploring the frameworks surrounding children's engagement in participatory research.- 2. Ethical considerations in participatory research with young children.- 3. "You Have to Sign Here:" A hermeneutic reading of young children's politeness play.- Section 2: Exploring Children's Agency Through Engagement in Participatory Research Practices.- 4. Participatory research interviewing practices with children.- 5. When students generate questions: Participatory-based reading instruction in elementary classrooms.- 6. My Mom said you can't use my face, but my voice is alright": Children as active agents in research utilizing video data.- 7. "My treasure box": Pedagogical documentation, digital portfolios and children's agency in Finnish early years education.- Section 3: Participatory Research and Challenges to Accepted Practices and Understandings of Young Children.- 8. Participatory research with young children from special populations: Issues and recommendations.- 9. Counternarratives from the margins: School stories in children's voices.- Section 4: Analysis and Dissemination of Participatory Work with Children.- 10. Supporting children's engagement in active dissemination practices.- 11. Learning to become researchers: Towards participation?.- 12. Then and now:' Reflections on Arts-based participatory research with young children.