This text introduces pupils to the concepts of division and conflict in Wales and Britain in the year 1000. The book goes on to examine the impact of the Norman invasion, highlighting the political, social, cultural and economic consequences of their rule. It also provides detailed accounts of the relationship between the English kings and the Welsh princes, the role of the Church and the State, the impact of the Crusades and the upheavals of the 14th century. The book's conclusion reviews the main themes of the period and looks forward to the accession of Henry Tudor.