In 1461 Edward earl of March, an able, handsome, and charming eighteen-year old, usurped the English throne from his feeble Lancastrian predecessor Henry VI. Ten years on, following outbreaks of civil conflict that culminated in him losing, then regaining the crown, he had finally secured his kingdom. The years that followed witnessed a period of rule that has been described as a golden age: a time of peace and economic and industrial expansion, which...