Dark City Royals Books in Order
Part ofEden O'Neill Books in OrderDiscover the Dark City Royals series by Eden O'Neill, with book order, synopsis, series background, and guidance on how this Chicago-set mafia romance fits alongside her other dark worlds.
Last updated: December 25, 2025
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Publication Order
1 book
Sia
by Eden O'Neill
2025
Sia Reynolds, a twenty year old with a criminal record and nowhere else to go, agrees to work for her best friend's abrasive father. Living under Maxim Petrov's roof pulls her into the Chicago Bratva and into a forbidden age gap obsession with the man called the executioner.
Series background & context
The Dark City Royals series shifts Eden O'Neill's storytelling from prep schools and college campuses to the criminal underworld of Chicago. It keeps the emotional intensity and high heat of the Court Universe, but trades small town politics for Bratva power plays, blood oaths, and mob alliances.
The first book, Sia, introduces Sia Reynolds, a twenty year old with a rough past and no safety net. Fresh out of the foster system and desperate to stay out of jail, she takes a job training a guard dog for her best friend's father, only to discover that he is the feared executioner for the city's Russian crime organization.
Maxim Petrov is in his thirties, battle hardened, and used to being obeyed. To the outside world he is a monster who carries out his father's orders without flinching. Inside his own home, he is a single father trying to manage a restless daughter, a skittish new employee, and violent work that keeps following him through the front door.
As Sia moves into the Petrov estate, she is pulled into a life of secrecy, money, and sudden brutality that is far from anything she has known. The tension between her need for safety, Maxim's dangerous protectiveness, and the very real age and power gaps between them drives much of the story. Their chemistry is primal and obsessive, but it is always framed against the reality that one wrong move could be fatal.
Around them, Eden sketches an entire network of mob families, lieutenants, and enemies whose histories intersect with Sia and Maxim's. The mood is darker and more claustrophobic than the Court Universe, with fewer safety nets and a constant sense that violence is never far away.
If you enjoy age gap, best friend's parent, and mafia tropes, Dark City Royals offers that mix wrapped in the author's familiar focus on found family, shame, and survival. It stands alone from the Court books but shares the same love of morally gray characters, complicated consent, and heroines who refuse to stay small, even when the men around them would rather they did.
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