This book adheres to the basic principles of the earlier editions which resulted in it becoming such a popular choice for students studying criminal law. It focuses on the key principles of criminal law, major case law and new statutory provisions, thus providing the foundation for a comprehensive study of the law. It aims to be thought-provoking and informative as well as constantly urging the reader to think further about the nature, extent and effectiveness of the criminal law. Students reading for an honours degree in law and those enrolled on Common Professional Examination courses are expected to benefit most although the book is written in such a way as to be of benefit to those on modular, part time or combined studies courses.