The Morgans novels

"A gunslinging father and prodigal son, united at last, they are the Morgans. And the only thing thicker than a Morgan's blood is a Morgan's bullet.... There's nothing particularly unusual for a legendary gunman to be summoned to the lawless, bullet-riddled territory of Arizona. But when Frank Morgan, aka the Last Gunfighter, rides into Tucson, he finds himself ambushed and kidnapped by ruthless Mexican bandit Ramirez's army of thugs. The only way...