Book excerpt: Ruth Milkman's groundbreaking research in women's labor history has contributed important perspectives on work and unionism in the United States. On Gender, Labor, and Inequality presents four decades of Milkman's essential writings, tracing the parallel evolutions of her ideas and the field she helped define. Milkman's introduction frames a career-spanning scholarly project: her interrogation of historical and contemporary intersections of class and gender inequalities in the workplace, and the efforts to challenge those inequalities. Early chapters focus on her pioneering work on women's labor during the Great Depression and the World War II years. In the book's second half, Milkman turns to the past fifty years, a period that saw a dramatic decline in gender inequality even as growing class imbalances created greater-than-ever class disparity among women. She concludes with a previously unpublished essay comparing the impact of the Great Depression and the Great Recession on women workers. A first-of-its-kind collection, On Gender, Labor, and Inequality is an indispensable text by one of the world's top scholars of gender, equality, and work.