- Series: Gillian Key, ParaDoc Series Record # 24105
- Series Tags: vampires (2), supernatural (1), mystery (1), urban fantasy (1)
- Gillian Key, ParaDoc
- 1 Key to Conflict (2007) by Talia Gryphon
- 2 Key to Conspiracy (2008) by Talia Gryphon
- 3 Key to Redemption (2008) by Talia Gryphon
- 4 Key to Justice (2010) by Talia Gryphon