A Castle of Doomsday, is historical fiction closely based on fact and it is also the story of the castles inside the city walls of York.

William the First built two castles within the walls of York. One at Bailey Hill and the other one was York Castle which has since become known as "Clifford's Tower." The original castles were constructed of timber. They were burned down by the people around York and their Danish Viking allies.

Richard the First was the son of King Henry II and gained fame by his courage, becoming known as Richard the Lion Heart and who presided over the apparent massacre of Jews at the keep of York Castle in England.

The Normans replaced it with a second timber castle keep which was destroyed in a storm in 1228. After that, the stone structure was built, and that still stands today. It was built of stone and is called Clifford's Tower because King Edward II had Baron de Clifford hanged from the battlements of the Keep of York Castle for treason in 1322 A.D.... [From the back cover]