Upton Sinclair Novels

⚠️ Reader Advisory: This story contains steamy scenes, mature language, and forbidden romance. Recommended for readers 18+ who enjoy emotionally intense and sexually charged love stories with depth. ~ “I’m going to turn every dirty page you’ve ever read into your reality, Teyana.” And Jeremy Carter did. ~ It started with a simple party dare and ended with my legs wrapped around the ever-addictive Jeremy Carter’s waist. I never thought the boy who never noticed the nerdy me in high school, the emotionally unavailable biker god I’d secretly fantasized about, would become my stepbrother. Or that I would find a naked painting of myself hidden in his closet — painted by his own twisted hands. Jeremy is inked sin, raw dominance, and a filthy mouth. I was just the quiet, virgin bookworm, that took solace in dark romance novels… until he dragged me into his dangerous world of racing, rage, and ruin. I should run. I should regret it. But when a man like Jeremy Carter kisses you, there’s no coming back. But what happened when family, friends, and even the campus tried to pull us apart? This is the story of how I got ruined by the one man I might never have… and how I let him.

Lillian's world turned upside down when she caught her longtime boyfriend cheating. Fueled by anger, she sought revenge in a drunken one-night stand with a stranger, only to discover he was Ryan Sinclair, her new boss! Her real nightmare began when Ryan, who seemed more like a Greek god than a possessive devil, unwilling to let her go and started luring her into his twisted game. Now, she was struggling to keep her distance from her charismatic but dominating boss. Little did she know, there was a hidden secret behind his every move, and Lillian was in for a rollercoaster ride of intrigue and deception.

Eve was a lover girl through and through that was why when Sinclair Stone came professing his undying love for her, Eve couldn't help but fall in love with her prince charming. Eva gave up everything; wealth, royalty and fame just to be with the love of her life. But, just after the wedding, Eva became a forgotten piece in her own home. The man she loved, turned his back on her. Troubled by this, Eve began seeing answers, anything that would help her fix her marriage and that was when she found out; Sinclair Stone never loved her, she was just a pawn in his game.

"What gives you the right to think you can control me?" I fumed, feeling the anger rising in me. Before I could react, he had me pinned against the wall, his eyes staring into mine. “Go ahead and deny it all you want but this body of yours belongs to me completely. Like hell I'd let anyone touch you this way.” Violet Murray had always longed for the day she would find her mate. She doesn’t expect the painful rejection and humiliation that comes from the Alpha. Tired of everything she’d been forced to endure; she does the most reasonable thing anyone would do in her shoes. Strike a deal with his long-time rival, Lucian Sinclair. They form an alliance under the guise of a fake relationship. She swears she has no feelings for him. When their fake relationship bleeds into something else, she finds herself questioning everything, including her growing feelings. Lucian Sinclair had one simple aim; completely destroying the one thorn in his flesh, Tristan Black, along with his bleeding pack. He finds an opportunity in the person of Violet who bears a grudge against Tristan and her former pack for all she’d been put through. They agree to form an alliance for the sole purpose of taking their mutual enemy down. It was meant to be no feelings attached. When the lines start to blur, her finds herself unable to deny the feelings he has for her. When different enemies threaten to tear them apart, they must decide if their love is worth fighting for.

For the sake of her marriage, Eva sacrificed everything, her love, her loyalty, her time, and her future. She put her dreams on hold so that she could help her husband achieve his. But in return, Daniel shatters her heart in the cruellest way possible. At his grand promotion party, Eva expected gratitude, but instead, she gets humiliation. Mocked by an entire congregation and ridiculed by media aides as her husband asks her for a divorce in front of everyone she knows. That night, drowning in heartbreak, Eva runs into the arms of a stranger, not caring about the next day and what consequences her actions might have. She wakes up and leaves the world she knows, but not forever. Four years later, Eva is back. No longer the scorned, helpless woman Daniel cast aside. Today, she is Eva Sinclair, a billionaire, a power to be reckoned with. The woman who could destroy you with a single whisper, and she was ready to burn down everything Daniel had ever valued. But fate steps in, and the man Eva thought she'd never see again now stands between her and her plans for revenge. Dorian Rhodes has been searching for the woman he had that passionate night with. The woman who saved his life, then rocked his world only to leave him cold and lonely the morning after. *** "You threw her away like she was nothing, Daniel." Dorian tilted his head, gaze locking onto Eva's. "Your mistake, my gain. Because your wife is mine now. So, you can't have her back."

When struggling single mother Ava crosses paths with ruthless billionaire Dominic Sinclair, neither of them realizes their lives have already been entwined by a secret that could shatter them both — their son. Years ago, Dominic never knew Ava carried his child. Now, as their worlds collide under dangerous circumstances, buried secrets resurface, threatening not only their fragile trust but also their very lives. Powerful enemies lurk in the shadows, determined to destroy them before they can find happiness. But as Ava and Dominic face betrayal, conspiracies, and a hidden organization desperate for control, their undeniable chemistry reignites into a burning passion. Together, they must fight for love, for family, and for the future neither of them thought they deserved. Will the billionaire protect his hidden heirs? Or will his past mistakes tear their new beginning apart?

"You need money; I need a wife."    Peony Sinclair, a workaholic girl, crosses paths with Mattia Luigi D'Amato, a notorious mafia boss with a deadly secret. While Peony works hard to pay her dad's medical bills, Luigi lives a double life, doing dark things that no woman survives. He killed every woman who had sex with him.   Due to the rising bills in the hospital, Peony needs to find a job that will pay her a large amount of money. As desperation drives Peony to seek lucrative job opportunities, their worlds collide. She had ended up in the auction after being deceived by another woman who promised her a lucrative opportunity.   Will Peony's resilience and purity be the beacon of change for Luigi? Or will she face the same fate as his other victims?

Isabella, a self-proclaimed "goody two shoes", has always preferred the comfort of her room and romance novels to the unpredictability of real-life relationships. Convinced that men are crazy, she's resigned to living through her fantasy world. However, her mundane life is disrupted after a one-night stand with a drop-dead gorgeous playboy. But their secret tryst takes a complicated turn when Isabella discovers that her mystery lover is none other than her mother's fiancé's son. Dive into the world of Isabella as she navigates this messy web of love, family, and secrets.

Maya's life turned upside down when a fertility clinic mishap left her pregnant with a stranger's baby. This stranger turned out to be Kelvin Sinclair, the famous billionaire in L.A. Given the pressure his family was putting on him regarding a heir, he was left with no other option than to take Maya in against her will to stop her from terminating the pregnancy despite that they were already engaged and married to their respective lovers. But things were about to go crazy and more disastrous with Maya under his roof and two jealous fiance's on the loose.

In "Alpha's Curse: The Healer's Secret," power and pride come at a devastating cost for Alpha Sebastian Sinclair, who dismisses his destined mate, the lowly Omega Evelyn Harper, due to her status. But when both meet tragic ends, the Moon Goddess grants them a second chance—by swapping their souls. Now, Sebastian must endure the hardships he once mocked in Evelyn's body while Evelyn seizes the power of an Alpha to seek justice for the wrongs done to her. As they navigate this cruel twist of fate, their journey of growth, vengeance, and redemption unfolds, leading to a battle that will change the fate of their Pack forever. Will they find the strength to unite and overcome, or will their past mistakes destroy them?