- Series: Special Tracking Unit Series Record # 51320
- Series Tags: thriller (2), psychic ability (2), psychic (1)
- Special Tracking Unit
- 1 Collecting the Dead (2016) by Spencer Kope
- 2 Whispers of the Dead (2018) by Spencer Kope
- 3 Shadows of the Dead (2020) by Spencer Kope
- 4 Echoes of the Dead (2021) by Spencer Kope