Get my book Offences and Defences: Selected Essays in the Philosophy of Criminal Law (Oxford: OUP 2007)
 

'Criminal theory has taken a giant step forward with the publication of Offences and Defences. This magnificent collection demonstrates what can happen when an outstanding philosopher turns his attention to the criminal law. For better and for worse, criminal theory has been dominated by legal theorists who are sympathetic to philosophical methodologies but lack

Gardner’s philosophical sophistication and expertise. A finer collection of essays in criminal law has not appeared since H.L.A. Hart’s Punishment and Responsibility.' - Douglas Husak in The Oxford Journal of Legal Studies 29 (2009), 169 at 187. | More reviews ...

So now get the second edition of H.L.A. Hart's Punishment and Responsibility: Essays in the Philosophy of Law (Oxford: OUP 2008), to which I have contributed a critical introduction
 

'Punishment and Responsibility is still regarded as one of the cornerstones of both penal philosophy and the burgeoning field of criminal law theory in Britain, Australia, Israel and North America. Its idea of criminal responsibility ... is the inspiration for or counterpoint to almost all serious scholarship in English in the field published over the last 35 years.' - Nicola Lacey, A Life of H.L.A. Hart (Oxford: OUP 2004)