For generations, our remote ancestors have been cast as primitive and childlike--either free and equal innocents, or thuggish and warlike. Civilization, we are told, could only be achieved by sacrificing those original freedoms, or alternatively, by taming our baser instincts. Graeber and Wengrow show how such theories first emerged in the eighteenth century as a conservative reaction to powerful critiques of European society posed by Indigenous observers and intellectuals.