Reading order
| # | Title | Published | Author | Buy on Amazon |
|---|---|---|---|---|
| 1 | Sinful Oath | 2024 | Callie Stevens | Buy |
| 2 | Sinful Lies | 2024 | Callie Stevens | Buy |
| 3 | Sinful Wrath | 2024 | Callie Stevens | Buy |
| 4 | Sinful Betrayal | 2025 | Callie Stevens | Buy |
| 5 | Sinful Scars | 2025 | Callie Stevens | Buy |
| 6 | Sinful Promise | 2025 | Callie Stevens | Buy |
The Koslov Bratva series by Callie Stevens is a six-book dark mafia romance published between 2024 and 2025. Each title follows the “Sinful” naming pattern, from Sinful Oath through Sinful Promise, and follows members of the Koslov crime family.