During World War I, the United States of America and the Confederate States of America find themselves on opposite sides of the conflict, a situation that becomes further complicated by a Marxist slave revolt in the South.
- Genre: Fiction + Literature Themes, Fiction + Literature Genres, Science Fiction + Fantasy
- Subgenre: General, War + Military, Historical or Fictional Characters, Alternate History
- Publisher: Del Rey
- Pages: 584
- Edition: Reprint
- Language: English
- Format: paperback
- Release Date: July 1, 2001
- Date Published: July 1, 2001
- Author: Harry Turtledove