From award-winning author Marissa Moss comes the first children’s book about Allan Pinkerton, one of America’s greatest detectives. Everyone knows the story of Abraham Lincoln, but few know anything about the spy who saved him! Allan Pinkerton’s life changed when he helped the Chicago Police Department track down a group of counterfeiters. From there, he became the first police detective in Chicago and established the country’s most successful detective agency. He went on to solve more than 300 murders and recover millions of dollars in stolen money.