- Series: Seeds of Civilization Series Record # 26879
- Sub-series of: Seeds of Civilization Universe
- Series Tags: aliens (3), thriller (3)
- 1 Seeds of Civilization
- 1 Tractrix (2004) by R. J. Archer
- 2 Tsubute (2006) by R. J. Archer
- 3 Triangle (2008) by R. J. Archer