Even as they have become fabulously wealthy, the ultra-rich have seen their taxes collapse to levels last seen in the 1920s. Meanwhile, working-class Americans have been asked to pay more. The Triumph of Injustice presents a forensic investigation into this dramatic transformation, written by two economists who have revolutionized the study of inequality. Blending history and cutting-edge economic analysis, Emmanuel Saez and Gabriel Zucman offer a comprehensive view of America's tax system alongside a visionary, democratic, and practical reinvention of taxes.