Kings of the Underworld: Complete Series

The Kings of the Underworld complete dark romance collection by USA Today Bestselling Author Nikita Slater.

Billionaire's Captive Mistress 

Billionaire businessman Tyson King always gets what he wants. Nothing will stop him from taking and keeping the woman who has obsessed him, until her past threatens their love.

Mafia's Savage Vendetta

Mob boss Vladimir Sitnikov will play a dangerous game in order to capture the fiery detective, Jane McKinley. When she is hurt, he will burn the city around them until he finds his enemy.

Mercenary's Dark Obsession

When ex-mercenary Daniel becomes obsessed with a blind musician who lives in his building, nothing will stop him from infiltrating every aspect of her life.

Bratva's Captive Assassin

Exiled from Russia for more than a decade with a bounty on his head, Boris Grekov must now reclaim his birthright. When a beautiful assassin comes for him, nothing will stop him from taking both the woman and his throne.

Bounty Hunter's Innocent Prize

Burned out bounty hunter, Mack Hudson, meets innocent Lucy Miller and his lonely existence explodes out of control. When she's hurt, nothing will stop him from making her kidnappers pay.

Italian's Captive Beauty

Maria is running from her past. Unfortunately, she runs straight into Italian mob boss, Nic DeLuca, who wants revenge. Soon, revenge will turn to obsession, which turns to love. But will the past come back to haunt them?

Bodyguard's Forbidden Obsession

After a lifetime without choice, Cass embarks on a journey of self-discovery where she learns to love and value herself as more than a mafia asset. Will love dictate her heart, or will she take the path laid out for her from birth?

Mafia's Savage Boss

When enemies close in, Vladimir and Jane Sitnikov must rely on old friends to help them.

Kings of the Underworld is a series of dark romance standalone novels that can be read in any order (except for Mafia's Savage Boss, which is a sequel to Mafia's Savage Obsession). This series features morally ambiguous anti-heroes with jealous and possessive tendencies, and strong, feisty women who fight their inevitable fate. There is no cheating, and each book ends in Happy Ever After.