Cajun box man known as Duval blows a safe in San Francisco and makes off with sixty thousand dollars in diamonds and precious stones. Insurance Company of North America engages Colonel David Crook's Great Western Detective League. Veteran investigators Beau Longstreet and Briscoe Cane take the case.

"The thirteenth novel in Craig Johnson's beloved New York Times bestselling Longmire series, the basis for the hit Netflix series Longmire Sheriff Walt Longmire is enjoying a celebratory beer after a weapons certification at the Wyoming Law Enforcement Academy when a younger sheriff confronts him with a photograph of twenty-five armed men standing in front of a Challenger steam locomotive. It takes him back to when, fresh from the battlefields of...