In 1872, just seven years after his emancipation, a thirty-four-year-old former slave named John Washington penned the story of his life, calling it "Memorys of the Past." One hundred and twenty years later, in the early 1990s, historian Crandall Shifflett stumbled upon Washington's forgotten manuscript at the Library of Congress while researching Civil War Fredericksburg. Over the ensuing decade, Shifflett sought to learn more about this Virginia...