Jonathan Warren is associate professor and former chair in the English Department at York University. He is editor of the Norton Critical Edition of Henry James's The Turn of the Screw, and his work has been published in such journals as the Henry James Review, Studies in Twentieth Century Literature, and the American Century. A specialist in literary modernism and its precursors, including especially American literature of the nineteenth and twentieth centuries, he has taught York's massively popular undergraduate and graduate courses in comics since inventing them two decades ago.