The ruler of a totalitarian state seeks validation from a former schoolmate, now the nation's foremost thinker, in order to access a cultural cache alien to his regime. A literary critic provides commentary on an unfinished poem that both foretells the poet's death and announces the critic's secret identity as the king of a lost country. The greatest of Vladimir Nabokov's enchanters, Humbert, is lost within the antithesis of a fairy story, in which...