The Sixgun Solution - Simon Hawke

Tombstone Time Warp! The year is 1881, and the most famous gunfight in history is about to take place at the O.K. Corral. But the Earps and the Clantons are not the only rival factions converging in the Wild West town of Tombstone, Arizona. The Time Commandos are sent back to the American frontier to investigate the disappearance of three missing agents, only to come up against an organized crime empire from the future, saboteurs from a parallel universe, genetically engineered spies, and lethal cross-time terrorists. To make matters even worse, two parallel timelines have started to converge in the exact same time and place, causing reality to ripple, threatening to overwhelm the timestream, and make history take a radical shift into the surreal....