From Finland to Newfoundland and Jelling to Jerusalem, follow in the wake of the Vikings--a transformative story of a people that begins with paganism and ends in Christendom. In AD 800, the Scandinavians were just barbarians in longships. Though they held sway in the north, their power meant little more than the ability to pillage and plunder, which they did to bolster their status at home. But as these Norse warriors left their strongholds to trade, raid, and settle across wide areas of Europe, Asia, and the North Atlantic, their violent and predatory culture left a unique imprint on medieval history. The twist that no one predicted, however, was a much slower, insidious takeover than any the Vikings would execute, and by a turn of the tide, they themselves became its target. For as they made their mark on Europe, Europe made its mark on them. By the year 1200, what remained of the Vikings' pagan origins floated beneath the surface and the strong, strange territories of the north