There are 3 series with the name: Sin Series
Sin Series Books in Order
Books by Aleatha Romig1. Red Sin (2021)
2. Green Envy (2022)
Assassin Series Books in Order
Books by David Nees and Others2. The Shaman (2021)
3. The Captive Girl (2018)
4. The Assassin and the Pianist (2020)
5. Death in the Congo (2020)
Chameleon Assassin Series Books in Order
Books by BR Kingsolver1. Chameleon Assassin (2016)
2. Chameleon Uncovered (2017)
3. Chameleon's Challenge (2017)
4. Chameleon's Death Dance (2017)
5. Diamonds and Blood (2019)