The Quest for Queen Mary by James Pope-Hennessy, edited by Hugo Vickers Zuleika, 2018, 321 pages, £30 _____________________________________ It is sixty-five years since that magnificent matriarch Queen Mary died, on March 24, 1953. She was eighty-five and had been at the centre of royal life all her life. She witnessed six monarchs at close quarters—Queen Victoria, her first cousin once removed; Edward VII, her second cousin and father-in-law; her husband, George V; her sons, Edward VIII and George VI; and her granddaughter, Elizabeth II. By 1953, as she faded, she insisted that Elizabeth’s coronation not be delayed by any mourning…