Book excerpt: Ethical considerations are raising new questions about the involvement and participation of children in research. By considering the ethical issues that can arise when working with and doing research with young children from birth to five years, this book examines a wide range of topics including: - involving young children in research - informed consent - research tools with children under five - researching children with special needs - researching vulnerable groups - researching other cultures - multi-agency working - loss and bereavement - ethical practices when studying early childhood - safe-guarding young children - inspection - ethics and leadership Examples from education, health and social work are examined, and there are chapter overviews, activities, case studies, points for discussion and recommendations for further reading and useful Websites in each chapter; which help to engage the reader and facilitate critical thinking and reflective practice. This is a comprehensive guide to a developing field for the early years student and practitioner.