"Tamara Lanier grew up listening to her mother's stories about her ancestors. As Black Americans descended from enslaved people brought to America, they knew all too well how fragile the tapestry of a lineage could be. As her mother's health declined, she pushed her daughter to dig into those stories. "Tell them about Papa Renty," she would say. It was her mother's last wish. Thus begins one woman's remarkable commitment to document that story. Her...