"From the National-Book-Award-winning author of All That She Carried, an intimate and revelatory reckoning with the myth and the truth behind an American everyone knows and few really understand. Harriet Tubman is, if surveys are to be trusted, one of the ten most famous Americans ever born, and soon to be the face of the twenty-dollar bill. Yet often she's a figure more out of myth than history, almost a comic-book superhero--the woman who, despite...