Ashworth's Principles of Criminal Law , now in its ninth edition, takes a distinctive approach to the subject of criminal law, whilst still covering all of the vital topics found on criminal law courses. Uniquely theoretical, it seeks to enlighten the reader as to the underlying principles and theoretical foundations of the criminal law, critically engaging readers by contextualizing and analysing the law. This is essential reading for students seeking a sophisticated and critically engaging exploration of the subject. Online Resources The text is accompanied by online resources housing a full bibliography as well as a selection of useful web links. It brings the subject to life through a critically involving and contextual approach, enabling readers to engage with the subject at a sophisticated and detailed level. Jeremy Horder, Professor of Criminal Law, London School of Economics and Political Science Jeremy Horder is Professor of Criminal Law and Head of the Law Department at the LSE. He is the author of numerous works of criminal law scholarship, including Criminal Misconduct in Office (Oxford University Press, 2018), Homicide and the Politics of Law Reform (Oxford University Press, 2012), and Excusing Crime (Oxford University Press, 2007).