This book addresses the problem of justifying the institution of criminal punishment. It examines the "paradox of retribution": the fact that we cannot seem to reject the intuition that punishment is morally required, and yet we cannot (even after two thousand years of philosophical debate) find a morally legitimate basis for inflicting harm on wrongdoers. The book comes at a time when a new "abolitionist" movement has arisen, a movement that argues that we should give up the search for justification and accept that punishment is morally unjustifiable and should be discontinued immediately. ...