- Series: Quadrants Universe Series Record # 28054
- Series Tags: science fiction (2), circus (1), into-movie (1), war with aliens (1), interstellar war (1), marooned (1), alien culture (1), alien reproduction (1), friendship (1)
- Quadrants Universe
- The Jaren (1979) [SF] by Barry B. Longyear [also as by Frederick Longbeard]
- USE Force (1980) [SF] by Barry B. Longyear
- Savage Planet (1980) [SF] by Barry B. Longyear
- Manifest Destiny (1980) [C] by Barry B. Longyear
- The Portrait of Baron Negay (1981) [SF] by Barry B. Longyear
- Dracon
- Enemy Mine (1979) [SF] by Barry B. Longyear [also as by Barry Longyear]
- The Tomorrow Testament (1983) by Barry B. Longyear
- The Last Enemy (1997) by Barry B. Longyear
- The Enemy Papers (1998) [O] by Barry B. Longyear
- The Talman (1998) [SF] by Barry B. Longyear
- Enemy Mine: The Author's Cut (1998) [SF] by Barry B. Longyear
- Circus World
- 1 Circus World (1981) [C] by Barry B. Longyear
- 2 City of Baraboo (1980) by Barry B. Longyear
- 3 Elephant Song (1982) by Barry B. Longyear
- The Tryouts (1978) [SF] by Barry B. Longyear
- The Magician's Apprentice (1979) [SF] by Barry B. Longyear
- The Star Show (1979) [SF] by Barry B. Longyear
- The Second Law (1979) [SF] by Barry B. Longyear
- Proud Rider (1979) [SF] by Barry B. Longyear
- Dueling Clowns (1979) [SF] by Barry B. Longyear [also as by Barry Longyear]
- The Quest (1979) [SF] by Barry B. Longyear
- Priest of the Baraboo (1979) [SF] by Barry B. Longyear
- The Book of Baraboo (1980) [SF] by Barry B. Longyear
- Elephant Song (1982) [SF] by Barry B. Longyear
- Red Miklynn
- Project Fear (1980) [SF] by Barry B. Longyear
- Catch the Sun (1980) [SF] by Barry B. Longyear