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I'm just going to quote the book's subtitle: "Being a Record of Mail Robberies and Their Detection; Embracing Sketches of Wonderful Exploits of Secret Agents in the Detection, Pursuit, and Capture of Depredators Upon the Mails, with a Complete Description of the Many Means and Complicated Contrivances of the Wily and Unscrupulous to Defraud the Public."
Whew. As you've gathered, a collection of various stories about tricksters, thieves, con artists and such told in a fairly wordy manner. Nice illustrations. Justice always prevails!
