Upton Sinclair Novels

At Monticello Senior High, power has always belonged to Maddox—the merciless Alpha who rules with dominance and fear. But everything changes when Mordred Sinclair, the rebel biker with a dark, untamed past, rides into town. Kiana never imagined she would be the fire that sparks a rivalry between them. Already scarred by betrayal and struggling to survive her own demons, she becomes the center of an obsession neither boy can walk away from. One promises protection through dominance. The other offers freedom through danger. But both demand her heart. As secrets unravel and loyalties are tested, Kiana must choose between the Alpha’s claim and the biker’s desire—before the war between them consumes her whole world.

Roseline After two years with Sinclair, all I want is a divorce, I want my freedom back. It's obvious now that he'll never love me. I've snapped out of my delusion, I want out! But when he tells me he can't give me what I want I'm frustrated and devastated. I'm determined to leave by hook or by crook, he still doesn't let his claws off me, he chases me and I don't stop running. But when my cold, impassive, depressed ex-husband kneels in front of me, I'm at a loss for words and I wonder if I can still pretend to hate him.

Artemisia's dream of marrying the man she loved shattered into a million fragments when her parents auctioned her off to a wealthy stranger she barely knew. She met the stranger at the altar and realised he was the same man she had met two years ago. After the wedding, Artemisia realized there was more to her new husband than he was letting on, and she decided to unravel the mystery even though it almost cost her life in the process. Sinclair Stone, the Alpha of Blue moon pack was about to ascend the throne. But before that, he needed a Luna by his side. He got to know his new wife wasn't the regular human he thought her to be. Instead, she was a gift made specially for him by the moon goddess.

The story of Kiran Sinclair continues in Gravity. he returns to find his pack in danger and discovers that while he was healing himself, he lost the one thing most precious to him. Old enemies are still there and planning his demise. Adrian Peters goes on a rampage to kill the one wolf he really wants, Kiran Sinclair. Kiran's life is turned upside down when four-year-old Christian comes to live with them. The little boy fills the emptiness in Kiran's heart and while a new enemy arises, things seem to work out for Kiran. Life's not always what it seems and Kiran will soon realize that his family secrets run deeper than he ever thought when Death shows him the future that awaits him.

Alpha Atticus and his friend, Duke Paul Alexander, made a promise. When the Alpha has to assumed his friend's place at the court of Valira, he did not expect to find his fated mate, Lady Viviane Sinclair, betrothed in an arranged marriage to Prince Philip, the duke's nephew. Alpha Atticus is torn between his fated mate and honoring his promise to the Duke. "After making that oath years ago, I'm now bound to help the Prince get married and be crowned.” One promise that changed everything, one chance of having a fated mate and the one decision that will determine his future. Start following Alpha's Unexpected Bride, a fantasy romance with plenty of steamy scenes and HEA.

Alina Sinclair was framed by the man she loved and left to rot in the world’s most brutal prison. Now, she’s out, but she’s living a lie. To get her revenge, she must impersonate Serena Campbell, the Perfect Luna, and marry the one man more dangerous than the prison she fled, Felix Night, the Alpha King. With a forbidden prisoner’s mark on her back and a fake scent in her veins, one mistake means a death sentence. But as the King’s suspicions grow, Alina realizes the only thing more dangerous than her secret is the fire he ignites within her. She came for vengeance, yet she might stay for Luna's throne. Will she find love? Or will she be caught?

I was the real daughter of the Sinclair family, yet I was the one abandoned when their fake daughter and I were kidnapped and taken to the top of a building. They were given a choice between the two of us, and they chose to save the fake daughter, letting me be pushed off from the eighteenth-floor balcony. Even though I survived, I was completely disappointed in them. Then, their attitudes changed overnight. My parents, who despised me, started asking me about my likes and dislikes. My brother who wished me dead, started suddenly giving me precious jewelry. Even my fiancé, who always claimed I was nothing compared to the fake daughter, started to prepare for our wedding. To say I was confused was an understatement.

In a world where power and passion collide, Thane Kago, a ruthless wolf shifter, invades Harper Rae's territory, overthrowing her father as the alpha wolf. Thane's insatiable thirst for power and his desire for the beautiful Harper Rae drive him to commit unspeakable acts, mutilating her parents and destroying her childhood home. But Harper's spirit is unbreakable, and she proves to be a formidable opponent. Gabriel Mason, the charming son of the Alpha of the Harmony Moon Pack, falls deeply in love with Harper. As her eighteenth birthday approaches and her wolf awakens, Thane's obsession with Harper intensifies. Harper faces an impossible choice: allow Gabriel to risk his life to help her or fight this battle alone. Join Harper and Gabriel in a thrilling tale where folklore becomes reality, powers awaken, and a new race is born. The First Lycan’s Legacy, comprising three captivating Fantasy shifter romance novels, promises unique storylines and unforgettable characters. Start with book one to fully immerse yourself in this enchanting world. Stay tuned for more adventures in the upcoming novel.

After three years, Naya Sinclair would finally realise she was nothing more than a tool in her husband’s eyes. All these years, all those love and dove eyes were nothing more than a scheme to take what she had. What the moon goddess gave her. Even worse is that she realizes that her best friend is carrying his baby. However, it’s a little too late… Or maybe not as the moon goddess gives her a second chance at life. And this time, Naya is determined to pay back all of them in their own coin. But why did she never realise that she had a mate or a flash marriage waiting in this new life? “Fuck that! Anything life throws, I would deal with it!”

"My engagement party is tomorrow," Cecilia said calmly. "But I'm missing one thing." "What?" he asked. She smiled. "A fiancé." "My pleasure," he said, voice low and steady. "Miss Fiancée." *** The night before her engagement party, Cecilia is betrayed by her ex and her own cousin. But humiliation won't be her ending. In a bold move, she picks a devastatingly handsome stranger to play the role of her fiancé. What she doesn't know is--Liam Sinclair isn't someone you simply "choose." He's dangerous, powerful, and far from ordinary. By the time Cecilia realizes who he really is, it's already too late. Because Liam never lets go of what's his.