Traces the rich and varied friendship of Wyatt Earp and Doc Holiday from the town of Long Grass to Buffalo Bill's Wild West Show in Denver, then to Mobetie, Texas, and finally to Tombstone, Arizona, culminating with the famed gunfight at the O.K. Corral.

Doc Holliday needs to replenish his bankroll quickly and uses his skill as a shootist to turn bounty hunter. The biggest reward is for the death of Billy the Kid. Doc enlists the aid of both magic (Geronimo) and science (Thomas Edison).

In a steampunk-style alternate-history fantasy tale, America's only hope for expansion past the Mississippi River in 1881 is a mission to Tombstone, Arizona, headed by Thomas Edison, whose protectors include Wyatt Earp, Doc Holliday, and the zombie Bat Masterson.

"The true story of the Earp brothers, Doc Holliday, and the famous Battle at the OK Corral, by the New York Times bestselling author of Dodge City and Wild Bill. On the afternoon of October 26, 1881, nine men clashed in what would be known as the most famous shootout in American frontier history. Thirty bullets were exchanged in thirty seconds, killing three men and wounding three others. The fight sprang forth from a tense, hot summer. Cattle rustlers...

After success cleaning up Dodge City, Wyatt Earp moves to Tombstone, Arizona, and wishes to get rich in obscurity. He meets his brothers there, as well as his old friend Doc Holliday. A band of outlaws that call themselves The Cowboys are causing problems in the region with various acts of random violence, and inevitably come into confrontation with Holliday and the Earps, which leads to a shoot-out at the OK Corral.