Why do judges study legal sources which originated outside their own national legal system, and how do they use arguments from these sources in deciding domestic cases? Based on interviews with judges, this book presents the inside story of how judges engage with international and comparative law in the highest courts of the US, Canada, the UK, France, and the Netherlands. A comparative analysis of the views and experiences of the judges clarifies how the decision-making of these Western courts has developed in light of the internationalization of law and the increased opportunities for...