It Can’t Happen Here, his 1935 dystopian vision of an America dragged into fascism by its unfit president, is the current bestseller, but most of Lewis’s books portray the American character in ways that are still relevant about a hundred years later, merciless ways that no other author has. He thought we could be better and live more fully if only we’d stop being so afraid of our dreams. His anguished sincerity feels transgressive today, which is precisely why we need him.