Morality, justice, and natural law -- From common law to modern positivism -- Hart's legal positivism -- Legal theory and the Nazi legality problem -- Legal realism -- Competing images of law in contemporary jurisprudence -- Radical challenges ot mainstream theories-- Obedience and disobedience -- Legal and moral rights -- Law and private morals -- Radical critiques of liberal theories of law -- Guilty minds : recklessness, manslaughter, and murder -- Unlawful killing : the defences of necessity and duress -- Insanity and diminished responsibility -- Theories of punishment -- Radical perspectives on crime and punishment.