This book explores the meaning and implementation of international childrens rights law, as laid down in the United Nations Convention on the Rights of the Child and related international and regional human rights instruments. It considers the application of international childrens rights at the national level and addresses key procedural and institutional matters concerning childrens rights implementation, including monitoring, complaints mechanisms, effective remedies, advocacy and international agenda-setting. The book breaks new ground by analysing a wide range of international childrens rights issues from a legal perspective. It incorporates a comparative perspective on childrens rights law at the international, regional and domestic level and contains information on evidence-based strategies towards the implementation and enforcement of international childrens rights law.The book is targeted at academics, legal and other professionals, and advanced students. It analyses childrens rights law in the following areas: implementation and enforcement; advocacy and standard setting; complaints and remedies; the child and the family; adoption; alternative care; protection from violence; civil rights of the child; economic, social and cultural rights; education; health; migration and refugees; children and the justice system; children with disabilities; deprivation of liberty; childrens rights and digital technologies; war and disaster; sustainable development goals and further contemporary issues.