- Series: Kolovrat Universe Series Record # 59025
- Series Tags: urban fantasy (1)
- Kolovrat Universe
- Paradise of Shadows and Devotion (2018) by Gaja J. Kos
- Succ (2019) by Gaja J. Kos
- Heat of the Night (2019) by Gaja J. Kos
- Black Werewolves
- 1 The Dark Ones (2016) by Gaja J. Kos
- 2 The 24hourlies (2016) by Gaja J. Kos
- 3 The Shift (2017) by Gaja J. Kos
- 4 The Ascension (2017) by Gaja J. Kos
- Chased (2016) [SF] by Gaja J. Kos
- Never Forgotten (2017) [SF] by Gaja J. Kos
- Black Werewolves: Books 1-4 (2017) [O/1-4] by Gaja J. Kos
- Lotte Freundenberger
- 1 Shadow Moon (2018) by Gaja J. Kos
- 2 Darkening Moon (2018) by Gaja J. Kos
- 3 Transient Moon (2019) by Gaja J. Kos
- 4 Phantom Moon (2020) by Gaja J. Kos
- 5 Burning Moon (2020) by Gaja J. Kos
- Lotte Freundenberger: Books 1-3 (2020) [O/1-3] by Gaja J. Kos
- Nightwraith
- 1 Windstorm (2017) by Gaja J. Kos
- 2 Blackstorm (2017) by Gaja J. Kos
- 3 Nightstorm (2018) by Gaja J. Kos
- Nightwraith: Complete Series (2018) [O/1-3] by Gaja J. Kos
- Shade Assassin
- 1 Shadow World (2018) by Gaja J. Kos
- 2 Shadow Lies (2019) by Gaja J. Kos
- 3 Shadow Heart (2020) by Gaja J. Kos