Valley of Wild Horses — Zane Grey

The Yellow Mine Saloon was like every gambling dive Panhandle Smith had seen from Montana to Mexico. Piles of gold and greenbacks littered the roulette and faro tables. Hard-faced gamblers, bearded mountain men, lean cowpunchers, all bent with intent gaze over their cards or chips. Drunken miners stamped to and from the long mahogany bar. An odor of whiskey mingled with the thick tobacco haze.

And in one corner, a slender girl with bare shoulders stood beside a poker table. She looked up and caught the eye of Panhandle Smith. She gave him the lazy, come-on smile she had used on a thousand other cowboys.

Suddenly, one of the gamblers turned, and Smith recognized Dick Hardman, the desperado he had followed a thousand miles -- to kill!