"'If you are reading this, I am dead.' So begins this engrossing debut novel the ingeniously reimagines the extraordinary life and mysterious death of behemian Georgetown socialite Mary Pinchot Meyer, a woman ahead of her time, a feminist who lived by her own rules and paid the ultimately price for her independence. She was a longtime lover of JFK. She was the ex-wife of a CIA chief. She was the sister-in-law of the Washington Post's Ben Bradlee....