A Century of Progress is a novel by Fred Saberhagen published in 1983.
A Century of Progress is a novel in which Alan Norlund is recruited into a war that involves time travel to the 1930s.
Greg Costikyan reviewed A Century of Progress in Ares Magazine #16 and commented that "A Century of Progress is based on a good idea which is not adequately exploited. As such, it is one of Saberhagen's lesser novels."