Having explored the alternate history of World War II in the "Worldwar" series, Harry Turtledove now turns his attention to an alternate World War I in "The Great War" series, beginning with American Front. This series actually began in 1997 with the release of How Few Remain, Turtledove's branch point occurred when the Confederacy won their freedom from the United States. Set fifty years after the War of Seccession, the United States and the Confederate States are bitter enemies. With the assassination of Archduke Ferdinand in 1914, the Great War begins with the USA allied with the Germans against the CSA, Canadians, British and French. The majority of the action in this first novel is set, as the title implies, in North America.