This is the first comprehensive handbook in the philosophy of criminal law. It contains seventeen original essays by leading thinkers in the field and covers the field's major topics including limits to criminalization, obscenity and hate speech, blackmail, the law of rape, attempts, accomplice liability, causation, responsibility, justification and excuse, duress, provocation and self-defense, insanity, punishment, the death penalty, mercy, and preventive detention and other alternatives to punishment. It will be an invaluable resource for scholars and students whose research and studies concern philosophical issues in criminal law and criminal law theory.