Days after the encounter at the Swiss waterfall that claimed the lives of Sherlock Holmes and criminal mastermind Professor Moriarty, Pinkerton detective agent Frederick Chase and Scotland Yard Inspector Athelney Jones, a devoted student of Holmes's methods of investigation and deduction, must track down a sinister figure who is determined to stake his claim as Moriarty's successor.

From award-winning author Marissa Moss comes the first childrens book about Allan Pinkerton, one of Americas greatest detectives. Everyone knows the story of Abraham Lincoln, but few know anything about the spy who saved him! Allan Pinkertons 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 countrys most successful detective...