It is the reign of the Emperor Augustus, and Publius Vergilius Maro, the poet of the Aeneid and Caesar's enchanter, has been summoned to the palace, where he will shortly die. Out of the last hours of Virgil's life and the final stirrings of his consciousness, the Austrian writer Hermann Broch fashioned one of the great works of twentieth-century modernism, a book that embraces an entire world and renders it with an immediacy that is at once sensual...