New York Times Bestseller! Dr. Harleen Quinzel has a theory: mental illness is a survival mechanism. As she seeks to help the broken souls of Gotham City piece together their sanity she will become the one thing she fears the most: one of them. A bold new retelling of the tragic origin of Harley Quinn told through the eyes of the only person who knows her better than anyone: Harleen. A young psychiatrist with a potential cure for the madness that haunts Gotham City, Dr. Harleen Quinzel must prov…Show more