The Serpent's Sin
To destroy the vampires who killed her family… she must become one of them.
Nadi is trapped in a deadly alliance with Raziel Nostrom. After a honeymoon soaked in blood and desire, they make a pact—to take down his criminal family together.
Now Nadi is at the heart of the Nostrom empire, pretending to be a vampire. If her act slips even for a moment, they will tear her apart.
Raziel holds Nadi’s life in his hands. And her heart… His wicked smile sets her body aflame, drawing her closer and closer. Still, he is a born killer—alluring and utterly ruthless. He could turn on her in an instant.
But Raziel is not the only one in his family with a taste for betrayal…
When his brother and sister approach her with proposals of their own, Nadi faces a desperate choice. Will she stand by Raziel, as the world turns against him? Or seize the perfect chance to destroy his family forever?
A thrilling and addictive dark vampire romance, the Bloodlines series is perfect for fans of Carissa Broadbent, Keri Lake, and Kaylie Smith.
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Kathryn Ann Kingsley
Kathryn Ann Kingsley doesn’t just write stories, she opens doorways into worlds where beauty and dread walk hand in hand. A USA Today bestselling author, she has become a distinctive voice in dark fantasy and paranormal romance, known for blending the allure of forbidden love with the chill of the uncanny. Readers who step into her series, whether the sinister Masks of Under, the haunting Harrow Faire, or the shadow-drenched Maze of Shadows, quickly discover that her villains are never one-dimensional, her romances are never simple, and the monsters are often the most compelling characters of all.
Bloodline
Some bargains whisper of hope, others coil like a trap. In the Bloodline series, desire and danger are bound so tightly together that one can never be separated from the other.
It begins with a desperate ritual, a plea made at midnight by someone who no longer believes in miracles. Instead of silence, an ancient power answers, draped in beauty and terror, offering salvation at a cost no mortal could ever truly afford. What follows is not a simple romance but a descent into a world where devotion can be as destructive as it is intoxicating.
Bloodline consists of three books. The current recommended reading order for the series is provided below.

