- Series: The Crime Files of Katy Green Series Record # 55062
- Series Tags: serial killer (3), historical fantasy (2), psychic ability (1), horror (1)
- The Crime Files of Katy Green
- 1 Double Jack (2017) [SF] [non-genre] by Gene O'Neill
- 2 Shadow of the Dark Angel (2018) by Gene O'Neill
- 3 Deathflash (2019) by Gene O'Neill
- 4 A Stick of Doublemint (2020) [SF] by Gene O'Neill