On the eve of Queen Elizabeth II's historic 70th anniversary on the throne, Tracy Borman's sweeping narrative of the British monarchy illuminates one of history's most iconic and enduring legacies Since William the Conqueror, duke of Normandy, crossed the English Channel in 1066 to defeat King Harold II and unite England's various kingdoms, forty-one kings and queens have sat on Britain's throne: "shining examples of royal power and majesty...