“John Milton—poet, free speech advocate, civil servant, classics scholar—was arguably a forefather to Asimov, Bradbury, Delaney, and the rest. Their outlandish other worlds owe a debt to his visionary mode of storytelling; their romance—characters who go on quests, encounter adversaries at portals, channel the forces of light and dark—is his, too.” Over at Slate, Katy Waldman makes the argument for Milton as sci-fi author. Pair with our discussion of his epic Paradise Lost as part of this piece about difficult books.