Reading order
| # | Title | Published | Author | Buy on Amazon |
|---|---|---|---|---|
| 1 | Sinful Oath | 2024 | Kira Cole | Buy |
| 2 | Sinful Lies | 2024 | Kira Cole | Buy |
| 3 | Sinful Wrath | 2024 | Kira Cole | Buy |
| 4 | Sinful Betrayal | 2025 | Kira Cole | Buy |
| 5 | Sinful Scars | 2025 | Kira Cole | Buy |
| 6 | Sinful Promise | 2025 | Kira Cole | Buy |
The Koslov Bratva series is one of Kira Cole’s Russian mafia romance collections, running six books from 2024 to 2025. The series follows different members of the Koslov crime family as they navigate the brutal world of the bratva while falling for women who complicate their carefully controlled lives.
Sinful Oath opens the series, and subsequent entries like Sinful Lies and Sinful Wrath build out the family and their enemies. Sinful Betrayal, Sinful Scars, and Sinful Promise continue the pattern. The books are interconnected, with family relationships and rivalries that develop across the full series.