... on the one hand, elegantly written, evidence-based, and rational, and on the other, off-kilter, animated by a profound and consuming, almost manic, loneliness. Tiffany’s fandom is not quite at the center of the book—which aims, by using One Direction fans as a case study, to show how internet fangirls have been misunderstood as a cultural force—but it’s enough of a presence to be persuasive.