A ten-volume overview of the twentieth century which explores what characterizes each decade as expressed through the arts, economy, education, government, politics, fashions, health, science, technology, and sports.

Rob Nagel edited v. 8-10.

[v. 1.] 1900-1909 -- [v. 2.] 1910-1919 -- [v. 3.] 1920-1929 -- [v. 4.] 1930-1939 -- [v. 5.] 1940-1949 -- [v. 6.] 1950-1959 -- [v. 7.] 1960-1969 -- [v. 8.] 1970-1979 -- [v. 9.] 1980-1989 -- [v. 10.] 1990-1999 -- [v. 11.] Cumulative index.