The Fourth Rome - ARC Riders, Bk 2 Author:David Drake, Janet Morris Elite 26th-century commandos, the ARC Riders patrol time to protect all human history... — As the USSR crumbles, Russian hardliners jump from 1991 to AD 9, when their modern weapons can warp the course of the Roman Empire and create a world ruled by the Kremlin -- using time technology that doesn't exist in the 20th century... or the 26th! — To so... more »lve the mystery, the Riders must split into teams separated by millennia. And while three Riders are trapped between the Roman legions and a blood-maddened barbarian horde, their comrades are at war on the Moscow streets. And fighting an inconceivable enemy.« less