In 1823, the History of the Celebrated Mrs. Ann Carson rattled Philadelphia society and became one of the most scandalous, and eagerly read, memoirs of the age. This tale of a woman who tried to rescue her lover from the gallows and attempted to kidnap the governor of Pennsylvania tantalized its audience with illicit love, betrayal, and murder. Carson's ghostwriter, Mary Clarke, was no less daring. Clarke pursued dangerous associations and wrote scandalous exposés based on her...