This edited volume explores previously untold or rarely explored stories of labor across the United States from 1850 to 2020. Chapters examine labor history as an interconnected process over time, exploring themes such as unionization, labor rights movements of historically underrepresented populations, the influence of immigrant labor, and the impact of technology on social change. Each chapter presents an academic analysis alongside practical pedagogical strategies, including detailed lesson plans, aimed at middle and high school educators, offering a fresh perspective on the vital role of labor in shaping the United States' past and present.