Viking marauders in their longships burst through the defences of 9th-century Europe, striking terror into the hearts of monks, peasants and rulers alike for two centuries. But the Vikings were more than just marine terrorists, and this atlas shows their development as traders and craftsmen, explorers, settlers and mercenaries. It follows the tracks of the Viking merchants who travelled deep into Russia, of Viking mercenaries who served in the emperor's bodyguard at Constantinople, and Viking mariners who sailed beyond the edge of the known world to North America.