Upton Sinclair Novels

Elena Sinclair rebuilt her life from the ruins of a future that never happened. Five years ago, Adrian Kane chose his father’s fortune over her—and it destroyed them both. Now, his late father’s will forces him to marry her within six months or lose his billion-dollar empire to his ruthless brother. Elena’s plan is simple: say YES, marry him, and break his heart where it hurts most. But the man she remembers—the cold heir who left her—is gone. In his place stands a man who has faced therapy, loss, and five years of grief he never wanted her to see. The more she seeks revenge, the harder it becomes to tell who’s really being punished. When the truth finally comes out, she learns that sometimes love’s second chance begins where the first one ended.

Melanie Campbell was someone who loved keeping to herself and while sending numerous applications to several places, she made a small living working as a waitress in a tiny restaurant to earn as much as she could to provide for herself and her ailing grandmother. With the recommendation of her close friend, she applied for and gets called into an interview where she met him… Calvin Sinclair was the heir to his parents' group of companies after the unfortunate demise of his older brother and he worked exceedingly hard to be just as perfect at his job as his brother would have been, even agreeing to an engagement to a famous model and family friend, Linda Thorne. He comes across Melanie who is hired as his personal assistant and who has an unmistakable resemblance to his fiancée, Linda and he is intrigued. Will the two end up falling hopelessly in live with each other despite their difference in backgrounds and what is expected of them? Or will they settle for what they are told to have and be with the people who would benefit them the most?

When Vera Sinclair’s longtime boyfriend dumps her for the heiress she unknowingly replaced, she’s devastated but not broken. For years, she played the role of the perfect girlfriend, filling in the gaps while he pined for another woman. But now? She’s done being second best. Just when she thinks she’s free, a powerful billionaire, Asher Donovan enters the picture with an intriguing proposition. He needs a fiancée to silence his family’s constant matchmaking, and Vera, with her newfound indifference to love, is the perfect candidate. But Asher isn’t just any billionaire, he’s her ex’s former business rival, the one man who can make her ex regret ever letting her go. As Vera steps into the world of high society on her own terms, she realizes that being a “substitute” was never her destiny. She was meant to be someone’s first choice. And this time, love might just come with the sweetest revenge.

He broke her heart once. Now, he’s her husband. And someone else is willing to destroy everything to have her. Forced into a contract marriage with her ex, billionaire Adrian Ferraro, Alina Sinclair swears she’ll never forgive him. What begins as cold hatred soon stirs old feelings neither of them can deny, but Adrian’s world is built on blood and secrets. And in the shadows waits Leon Ferraro, Adrian’s stepbrother. Addicted, dangerous, and obsessed, Leon will burn their lives to the ground if that’s what it takes to claim Alina for himself. Torn between the man who betrayed her and the man who stalks her, between a love that hurts and an obsession that destroys, Alina must fight for her career, her family, and her life. But when illness strikes and her child’s fate depends on the Ferraros, one truth becomes painfully clear: love isn’t the only thing worth bleeding for. Her ex-husband wants her heart. His brother wants her soul.

After five years with Nathaniel Sinclair, Sylvia Garner thought their love would lead to a lifelong commitment. But when Nathaniel postponed their wedding, her world began to crumble. At a private club, Sylvia stumbled upon a scene that shattered her heart—Nathaniel down on one knee, proposing to another woman. “You’ve been with Sylvia for five years, but now you’re suddenly marrying Vivian Hayes. Aren’t you afraid she’ll be upset?” someone asked. Nathaniel shrugged it off. “Vivian is ill; this is her dying wish. Sylvia loves me too much to leave.” The whole world knew Sylvia loved Nathaniel to the point of obsession, believing she couldn’t live without him. But this time, he was wrong. On the day of his wedding, he told his friend, “Keep an eye on Sylvia. Don’t let her know I’m marrying someone else!” His friend froze. “Sylvia is getting married today too. Didn’t you know?” At that moment, Nathaniel broke down.

JASMINE I always follow the rules. Especially the one to wait for your mate. Don't flirt. Don't date. Don't fall for anyone but your one true love. But then I meet the mysterious future alpha, and suddenly, I am thinking about doing unthinkable, immoral things with a very sexy man who is definitely off-limits. That is—until my first crush reappears. Now I'm torn, choosing between two hot, muscular werewolves, and life has gotten complicated. . . They didn't write a rule book about this! BLAKE The Moon Goddess granted me a mate—then regretted it and took her right back. But who am I to complain? I am the alpha after all. I'm supposed to have everything I want. Everything but discipline, self-control, and common sense. Because that all seems to vanish as soon as I meet her. . . LUKE I totally messed up. I betrayed my mate before the bond clicked into place. I didn't wait. Didn't hesitate. Didn't even think it through. I may have made a huge mess, but I'm going to clean it up. I can handle it. I think. . . ***Content warning: As with many paranormal romance novels, this book contains mature adult content, offensive language, and some graphic violence, and may not be suitable for young readers.***

Warning ⚠️ This story is not suitable for young readers. Reader discretion is advised. Betrayal made her a thief. Desperation made her a liar. Vengeance turned her into a weapon. Shivani Sinclair became Red, a ghost in the underground art world—until a secret agent caught her and turned her into something deadlier. Now, she hunts criminals who hide behind wealth and power. Her next target? An art dealer smuggling drugs. But then he appears. Azrael Nikolai Mordecai is a man who takes what he wants—women, power, control—but none of it excites him anymore. He’s drowning in apathy—until he sees her. Dressed in blood-red leather, she is sin-wrapped in a woman's body. One look and she shatters his world. She needs to stay hidden. He wants to own her. She kisses him to escape. He vows she’ll never run again. Now, the hunter has become the hunted. And in this game, obsession is far more dangerous than love.

> I died loving him. I returned to destroy him. Aria Sinclair gave everything to Damon King — her love, her loyalty, her name. But when his betrayal shattered her world and drove her to her death, she swore one thing with her final breath: she would never love him again. Now reborn five years later with a new identity and sharper mind, Aria re-enters Damon’s life as a powerful investor bent on dismantling his empire piece by piece. But Damon isn’t the cold-hearted man she remembers. He's tormented by regret... and still haunted by her memory. As secrets unravel and passion reignites, Aria finds herself caught between the vengeance she craved and the love she once buried. Can she truly ruin the man who still owns her heart? Or will her kiss become his salvation instead of his downfall?

Rhea Sinclair’s life had always been horrible. An overweight, unwanted adopted daughter in a family that treated her like a servant, an easy target for bullies in school. Until the day she was shoved into the river behind her school and saved by a stranger. A man whose face she never forgot. Evan Zeeler. Forced to flee the country after another criticism from her family, Rhea returned five years later, no longer the broken, overweight girl they once knew, but a stunning heiress with power, money, and a mission. She was back for her savior. She was back for Evan. But one night changes everything. A night she thought was spent with him, but wasn’t. She had slept with the wrong man, Evan’s identical twin, Elliot. Now, hearts are entangled, lies are blurred Both brothers want her. Both brothers are dangerous in their own way. ------------- “You can only choose one. Who will it be? Evan Zeeler or Elliot Zeeler?” Find out!!

Revenge? Is that really what I want? Or do I just want my ex-husband’s younger brother? *•*•*•*•*•* The plan was simple—marry Maverick Sinclair, give him an heir, and in return, he’d help me destroy my ex-husband, Sebastian Sinclair. One year. One child. One deal. But then again, nothing is ever that simple. Because how do I give Maverick a child… when I’m already hiding his first one in plain sight? I should tell him, so Maverick can finally take his rightful place as CEO and have his revenge against his father and brother, right? Wrong. I will protect my daughter with everything I have. *•*•*•*•*•* DISCLAIMER❗❗❗ This book contains detailed sex scenes that will leave you feeling very hot and very bothered. If you can’t take the heat and tension, then this isn’t for you. If you’re single… Well, this definitely isn’t for you. Just kidding. Enjoy!