"Aaron Burr was a hero of the Revolution, a brilliant politician, lawyer, and very nearly president; a skillful survivor in a raw new country filled with constantly shifting loyalties. But there were dark whispers about him: that he was untrustworthy, a libertine, a man unafraid of claiming whatever he believed should be his. Sold into slavery as a child in India, Mary Emmons was brought to an America torn by war. Toughened by the experiences of her...