Allan Pinkerton (1819 - 1884) was a Scottish American detective and spy, best known for creating the Pinkerton National Detective Agency. Pinkerton produced numerous popular detective books, ostensibly based on his own exploits and those of his agents. Some were published after his death. In this book: Mississippi Outlaws and the Detectives, Don Pedro and the Detectives, Poisoner and the Detectives The Spiritualists and the Detectives The Somnambulist...