- Series: Errand of Vengeance Series Record # 21165
- Sub-series of: Star Trek: The Original Series
- Series Tags: science fiction (3)
- Errand of Vengeance
- 1 The Edge of the Sword (2002) by Kevin Ryan
- 2 Killing Blow (2002) by Kevin Ryan
- 3 River of Blood (2002) by Kevin Ryan