The Souls of Jewish Folk argues that late nineteenth-century Germany's struggle with its "Jewish question"--what to do with Germany's Jews--served as an important and to-date underexamined influence on W.E.B. Du Bois's considerations of America's anti-Black racism at the turn of the twentieth century. Du Bois is well known for his characterization of the twentieth century's greatest challenge, "the problem of the color line." This proposition...