The Congress of Industrial Organizations (CIO) encompassed the largest sustained surge of worker organization in American history. Robert Zieger charts the rise of this industrial union movement, from the founding of the CIO by John L. Lewis in 1935 to its merger under Walter Reuther with the American Federation of Labor in 1955. Exploring themes of race and gender, Zieger combines the institutional history of the CIO with vivid depictions of working-class...