PREACHER + MacCALLISTER = DOUBLE THE MAYHEM   Two of the Johnstones&; most legendary heroes&;the rugged mountain man known as Preacher and the Scottish clan rancher Jamie Ian MacCallister, here together for the first time&;are forced to choose sides in a blood-soaked battle for the heart and soul of a nation divided . . .   FRONTIER AMERICA   As the father of a young Crow tribesman, Preacher would like nothing more than to see the long-time natives and newly arrived settlers live together in peace. Then the killing starts . . .   As a family man and frontiersman, Jamie Ian MacCallister is more than happy to help the officers at Fort Kearny negotiate a peace treaty with the Crow nation. Until it all goes to hell . . .   This is not the American dream they were looking for. This is a nightmare. A brutal, blood-drenched frontier war that two heroic men must fight and win&;or one struggling nation will never come together. For liberty and justice for all . . .   Live Free. Read Hard. Read Less