In The Great Depression: Experience the 1930s From the Dust Bowl to the New Deal, readers ages 12 to 15 investigate the causes, duration, and outcome of the Great Depression, the period of time when more than 20 percent of Americans were unemployed. They discover how people coped, what new inventions came about, and how the economics of the country affected the arts, sciences, and politics of the times. The decade saw the inauguration of many...