The Forever War series is a series of science fiction novels by Joe Haldeman. Not all of them take place in the same future universe.
The Forever War series
- The Forever War (1974) (Nebula Award winner, 1975; Hugo and Locus SF Awards winner, 1976)
- Forever Free (1999) (a direct sequel to the first novel)
- "A Separate War" (2006, short story; appears in A Separate War and Other Stories) (The story of Marygay Potter after she parts with William Mandella in The Forever War)