War Cruel and Sharp: English Strategy under Edward III, Clifford J. Rogers.

War Cruel and Sharp: English Strategy under Edward III, Clifford J. Rogers. 
Looks at the first phase of the Wars of the Roses, to the Peace of Bretigny of 1360, and argues that Edward III's victory was due to a deliberate strategy of seeking battle. Makes a very well argued case, supported by a detailed knowledge of the primary sources, built around a narrative account of Edward's campaigns in Scotland, where he learnt his craft, and in France.
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