A seemingly endless parade of books, films and television shows have kept Marie Antoinette in the spotlight for over two centuries since her execution in October 1793. For many, she is the ignorant embodiment of foolish, careless, decadent excess, and a deserving example of the terrible fate that on occasion befalls members of the mega-wealthy ruling class who exploit and ignore the needs of those less fortunate than themselves. Meanwhile, for others, she is a source of endless fascination thanks to the flamboyant fashions of her era, the pastel-hued beauty of her surviving residences and,...