- Series: The Delphi Trilogy Series Record # 43015
- Series Tags: young-adult sf (2), young-adult fantasy (2), ghosts (1)
- The Delphi Trilogy
- 1 The Delphi Effect (2016) by Rysa Walker
- 2 The Delphi Resistance (2017) by Rysa Walker
- 3 The Delphi Revolution (2018) by Rysa Walker