From New York Times Bestseller MIMI JEAN PAMFILOFF The Happy Pants Caf has no public information-no website, no address, no phone number-and it doesn't show up on any map, either. Yet, there's a line of single women around the block, waiting to get inside. And when they come out, their smiling faces don't look like coffee buzzes. (Or afterglows.) So what could they possibly be doing inside? Harper Branton thinks she knows their dirty little secret,...