The Political history of England,

Sir Charles William Chadwick Oman (12 January 1860 – 23 June 1946) was a British military historian of the early 20th century. His reconstructions of medieval battles from the fragmentary and distorted accounts left by chroniclers were pioneering. His style is an invigorating mixture of historical accuracy and emotional highlights, and it makes his narratives, though founded on deep research, often read as smoothly as fiction. (From his biography at Wikipedia