It takes a man with guts A rare breed of bullbog and bloodhound, private detective Luke Starbuck has been hired to ferret out the Judas working for the Central Pacific-a mastermind behind a string of train robberies. The target: gold shipments from the Frisco mint. All Starbuck has to do is pass himself off as an outlaw and infiltrate the pack... To take on the Barbary Coast But chumming up to a gang leader like Denny O'Brien means that Starbuck...