It would have to be the Yale history of English monarchs series and obviously the one titled Henry I of England

There is also David starkey's monarchy as well

The kings of England from 1066 did not speak English as their coronation oath until 1399

It was only after the loss of most of their continental holidays that the Plantagenet Dynasty

Because more of an English Dynasty and in some sense remained a dependence of France

People forget how powerful France was for centuries and how it dominated politics

It was the French who were responsible for the collapse of the Plantagenet Dynasty by supporting Henry Tudor