Note: There are other series with the same name: Harbinger, Harbinger (Jeff Wheeler), Harbinger (Jennifer L. Armentrout)
- Series: Harbinger (Robert S. Keene) Series Record # 68016
- Series Tags: LitRPG (1)
- Harbinger (Robert S. Keene)
- 1 Harbinger of Destruction (2022) by Robert S. Keene
- 2 Harbinger of Vengeance (2022) by Robert S. Keene
- 3 Harbinger of Justice (2023) by Robert S. Keene