Messianism is one of the great themes in intellectual history. But because it has done so much important ideological work for the people who have written about it, the historical roots of the discourse have been obscured from view. What did it mean to talk about "messiahs" in the ancient world, before the idea of messianism became a philosophical juggernaut, dictating the terms for all subsequent discussion of the topic? In this book, Matthew V. Novenson offers a revisionist account of messianism in antiquity. He shows that, for the ancient Jews and Christians who used the term, a messiah...