Archbishop Stephen Langton hoped with Magna Carta to realise an Old Testament, covenantal kingship in England. At the Charter's 800th anniversary, distinguished jurists, theologians and historians from five faith-traditions and three continents ask how Magna Carta's biblical foundations have mattered and still matter now. A Lord Chief Justice, a Chief Rabbi, a Grand Mufti of Egypt, specialists in eight centuries of law, scholars and advocates committed to the rule of law and to the place of religion in public life all come together in this testimony to Magna Carta's iconic power. We follow...