John Hardin is a desperate man.nbsp; When a train carrying official US currency paper explodes in his town, he's the prodigious Black Diamond Detective Agency's sole suspect.nbsp; John is innocent, but his wife is missing, his old friends are coming back to haunt him--with guns and explosives--and he's on the run through rural Missouri.nbsp;nbsp;THE BLACK DIAMOND DETECTIVE AGENCYnbsp;is based on the historical journals of Arthur James Quindlen, the agency's founder.nbsp; Adapted and illustrated with watercolor art by Eddie Campbell, this graphic novel brings a new perspective to that time in America when small farmers were the backbone of the country, graft was rampant, and railroads thundered through western towns.nbsp;