In this major series, Professor Robert Bartlett examines the extraordinary expansion and unchecked ambition of the Normans, and shows how they transformed the history of Europe.该系列中，海啸罗伯特·巴特利特教授带你领略诺曼人大规模扩张活动和无可限量的雄心壮志，海啸展现他们是如何改写欧洲历史的。