The worst hard time

["History" "Depressions" "Dust Bowl Era 1931-1939" "Social conditions" "Droughts" "Dust storms" "National Book Award Winner" "award:national_book_award=2006" "award:national_book_award=nonfiction" "Great Depression 1929-1939" "20th Century" "Stofstormen" "Wirtschaftskrise" "Dust Bowl Era (1931-1939) fast (OCoLC)fst00899651" "Droogte" "Landwirtschaft" "Soziale Situation" "Trockenheit" "Depressions 1929" "Great plains history" "United states history 1919-1933" "United states history 1933-1945" "nyt:e-book-nonfiction=2012-10-14" "New York Times bestseller"]