"Heroic and inspiring."--The New York Times Grace Humiston was a lawyer, a detective, and the first female U.S. District Attorney. She was also a society woman who would become one of the greatest crime-fighters in America. This is her story. In 1917, on the day before Valentine's Day, a beloved teenager named Ruth Cruger went missing. When the police gave up on trying to find her, Grace took it upon herself...