"They were the closest of sisters and the best of friends. But when, in a quixotic twist of fate, their uncle Edward Vlll decided to abdicate the throne, the dynamic between Elizabeth and Margaret was dramatically altered. Forever more Margaret would have to curtsey to the sister she called 'Lillibet.' And bow to her wishes. Elizabeth would always look upon her younger sister's antics with a kind of stoical amusement, but Margaret's struggle to find...