In recent years,a number of key terms of the criminal law have seemed to defy definition. Scepticism over the possibility of defining basic concepts and identifying general principles has been voiced by both judges and academic commentators. This raises broad issues of theoretical interest, but also touches on such practical concerns as the efforts made by the Law Commission to reform the law as well as wider proposals for the codification of criminal law. Furthermore, the Human Rights Act incorporates a requirement of legality under Article 7 of the ECHR, whose scope is clearly connected to our understanding of how criminal offences are defined. This book undertakes an investigation of the role and scope of definition within the criminal law, set within a wider examination of the nature of legal materials and the diversity of perspectives on law. It offers a fascinating account of how the rules and principles found within legal materials provide opportunities for responding to,...