The Serafina: Sin City Series Novels

Dangerous Surrender (The Serafina: Sin City 4) by Katie Reus
Sweetest Surrender (The Serafina: Sin City 3) by Katie Reus
Sensual Surrender (The Serafina: Sin City 2) by Katie Reus
First Surrender (The Serafina: Sin City 1) by Katie Reus