Slocum and the Backshooters (Slocum Series #371)

Slocum needs eyes in the back of his head.

John Slocum is having a fine time traveling across Indian Territory with a pocket full of poker winnings—until a pair of bushwhackers catch him off-guard. When he comes to, the money is gone, along with his gun and his horse. But getting back what's his will pit Slocum up against a gang of killers who don't care how they kill, as long as you end up dead…