Upton Sinclair Novels

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."

Rachel Sinclair lost everything when a fraud conviction destroyed her life as a social worker. Five years later, she's reinvented herself as Raven Steele—a woman with a clean past and a dangerous mission. Her target: the Diamondback Motorcycle Club, a vicious criminal organization that operates with impunity while the system looks the other way. Using the forgotten murder of a small-time dealer as her cover story, Raven infiltrates the deadly world of motorcycle clubs. But her carefully laid plans collide with Jax Savage, the devastatingly dangerous president of the Savage Saints MC. Muscular, tattooed, and lethal, Jax has been waging his own war against the Diamondbacks since they murdered his younger brother. What starts as a tactical alliance quickly ignites into an attraction neither can resist. As Raven goes deeper undercover with the enemy, feeding intelligence to Jax while maintaining her cover, the line between duty and desire blurs. But in a world where trust is a weapon and love is a liability, their growing connection threatens to destroy everything they've worked for. When Raven's deception leads to a devastating blow against the Diamondbacks, she becomes the target of a deadly bounty. Forced to reveal her criminal past to the man she's falling for, she must decide if their connection is strong enough to survive the truth. With enemies closing in and a war erupting in the streets, Raven and Jax face an impossible choice: save themselves or save each other. In the savage world of motorcycle clubs, some hearts are worth fighting for—and some are worth dying for. *Content warning: Contains explicit language, violence, mature themes, and sexual content. Recommended for readers 18+.*

Leo Lovera was a capo, and he always thought I was just a housewife who couldn’t survive without him. He brought a woman, Sophia Costa, back to the estate. He dressed her in my silk robes, doused her in my perfume, and then pretended like he was being thoughtful by offering me a bowl of stew with only a few slices of meat. Leo scowled at me and snapped, “Sophia’s kind-hearted. Don’t be ungrateful. If it weren’t for the fact that you have no family, I’d have thrown you into the sea to feed the fish a long time ago.” No family? I laughed. He had no idea I was the daughter of the Orlen Family's Don, a Mafia princess in every sense. To honor a five-year agreement with the Don, I had been living under a hidden identity, keeping all my sharp edges carefully tucked away. He had said that for five years, I had to live as a normal woman and protect the Family’s territory. I couldn't ever truly inherit his empire without doing so. Five years. And today was the last day. Leo had just shattered that agreement with his own hands. In doing so, he freed me. I pulled out the satellite phone and dialed a number. Ten minutes later, the Family’s legal counsel arrived, flanked by men in black suits. They knocked on the door, and Bruce Sinclair bowed to me the moment he stepped inside. “Principessa Anna, the Don has entrusted the estate to you.”

My body matured faster than most girls my age. When I turned 18, my overprotective brother worried I’d be taken advantage of, so he asked his best friend to look after me. But the first time we met, that man's eyes never left my body. After I graduated from college, he kept crossing the line, again and again. By day, he was my boss, and by night, I was his "personal assistant." For four years, we kept our affair a secret. He molded me into exactly what he liked, and the worst part? I let him. One day, his ex-fiancée came back from overseas. He slipped out of my bed in the middle of the night and rushed to the airport to pick her up. Humiliated but unwilling to let go, I followed him there, only to watch him gently stroke another woman’s hair right in front of me. He turned to me and said, "Jennifer Huckabee, four years ago, you were the one who crawled into my bed while I was drunk. The way you're behaving now… it’s really pathetic." The way he looked at her was soft, and the way he mocked me was sharp and deliberate. I suddenly realized he was right. This was meaningless. So I lowered my head, texted my brother to tell him I’d accept the Sinclair family marriage proposal, then looked up at that man and smiled. "Alright then. Goodbye."

Betrayed. Broken. Stripped of everything she once called hers. Elysia Sinclair thought she had already lost it all—until she lost the one thing that truly mattered. Her baby. Left bleeding and abandoned in a cold hospital room, she swore revenge. But what could a woman with nothing do against the man who destroyed her? Enter Adrian Blackwood. Ruthless, calculating, and as dangerous as they come. He doesn’t do charity. He doesn’t do kindness. But when he looks at Elysia, he sees something more—something raw, something familiar. "Sign these papers, leave him, and marry me," he says, his voice a dark promise. "I'll help you get your revenge." It’s a deal with the devil himself, but Elysia is too shattered to refuse. One signature, and she goes from the discarded ex-wife of a billionaire to the new bride of a man even more powerful. But Adrian didn’t just want a wife. He wanted her. And as he slides his ring onto her finger in front of the man who betrayed her, a shiver runs down her spine. Because in Adrian’s eyes, this isn’t just a contract—it’s possession. Now, tangled in his world of power plays and whispered threats, Elysia must ask herself— Is she using Adrian to destroy her past? Or is he using her to rewrite his own? One thing is certain: when you strike a deal with the devil, there’s no turning back.

Vera Sinclair had everything, wealth and a future mapped out by her ambitious father. But on the night of her extravagant eighteenth birthday party, a heated argument with her father shattered everything. Seeking an escape, she drowned her pain in reckless indulgence, only to wake up in the arms of Logan Grey, the dark, untouchable heir to one of the most feared Mafia empires. She had worshiped him from afar for years, but after taking her innocence, he left her with nothing but a cold shoulder. Determined to forget him, Vera tried to move on. But fate had other plans. A missed period led to a devastating revelation, and a family who would rather erase the problem than endure a blood entanglement with the notorious Grey heathens. But Vera wanted to keep her baby, so with no other options, she ran to Logan, the very man her family wanted her to stay away from. Logan, however, had his own secrets, the one rule his father insisted on: never sire a child out of wedlock. This meant that Vera's pregnancy could cost him everything: his position, inheritance, and freedom. Logan had no intention of being forced into marriage. But what he didn’t expect was another threat lurking in the shadows, his estranged brother. A man just as powerful and dangerous, eager to claim what Logan refused. Vera soon found herself not only a mother to a Mafia heir but also at the center of a battle between two men who had been feuding since birth.

"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.

Sloan Vale isn’t just a billionaire—he’s a king in a world built on whispered names, silk-bound power, and decadent sin. By day, he’s untouchable. Polished. Controlled. But by night, he rules The Crimson Order, a secret society where the elite indulge their darkest desires and make deals sealed with blood and pleasure. He’s never had a reason to break his own rules. Until her. Ivy Sinclair is a broke, brilliant art student just trying to survive. When she delivers a painting to an exclusive event, she stumbles into a hidden world she was never meant to see. Sloan’s world. The moment he lays eyes on her, he knows she doesn’t belong. Too innocent. Too pure. Too tempting. She should have run. He should have let her. But instead, he offers her a choice: walk away and forget what she saw… or surrender to him and learn just how deep the rabbit hole goes. Ivy agrees but she’s not as innocent as she seems. As Sloan draws her deeper into his dangerous orbit, he finds himself addicted to her softness, her fire, her secrets. She awakens something in him that’s been dormant far too long. Obsession. Protection. Lust. But Ivy didn’t stumble into his world by accident. She’s running from something darker. Something deadly. And when her past collides with his empire, both of them will have to decide what’s worth more: power or passion. Vengeance or love. In a world where everything comes with a price… will she be his salvation, or his ultimate ruin?

Ruby Sinclair has spent eleven years as a servant in the Gallagher pack, hiding her true identity as the last survivor of a slaughtered Alpha bloodline. Orphaned at seven when rogues destroyed her pack, she's endured relentless torment from the Gallagher quintuplets—five Alpha heirs who've made her life a living hell. To survive, Ruby has suppressed both her wolf and her deadly secret: she's a seer, the very ability that painted a target on her family. On the eve of her eighteenth birthday, Ruby's carefully controlled world shatters. Her first shift triggers early, and all five brothers simultaneously recognise her as their fated mate. But years of abuse have left deep scars, and Ruby wants nothing more than to escape the men who tormented her—mate bonds be damned. When Dr Reeves, the pack's trusted physician, attempts to drug and deliver her to the rogues who murdered her parents, Ruby's dormant powers explode. She kills him with a thought and teleports away, terrified of what she's becoming. As the quintuplets discover recordings proving they were systematically drugged for eleven years to hate their own mate, they must somehow earn back the trust of a woman who has every reason to reject them all. But a carved symbol on a dead rogue reveals the true threat: the Shadow Alpha, an ancient corrupted Guardian who has hunted Ruby's kind for millennia. A mystical wolf spirit reveals Ruby's destiny: she's a cosmic Guardian, and her five mates are meant to be her anchors. Now Ruby must decide whether to trust the men who destroyed her, or face an unstoppable evil alone.

Camilla's entire world shattered when her husband Nick Sinclair abruptly ended their three-year marriage, hurling divorce papers at her. His cruel, harsh words still echoed in her ears... "I'm done with this marriage. Get out of my house!" She always knew their arranged marriage was devoid of love, but she had clung to the possibility that he would one day grow to love her. However, the arrival of his first love, bearing a child she claimed was his, destroyed any lingering hopes and exposed the emptiness of their relationship. Fingers trembling, heart bleeding, she signed the divorce agreement. But the shock overwhelmed her just as she stepped outside Nick's mansion and she collapsed. Hours later, she awakened in the hospital, staring into the icy blue eyes of the stranger who saved her. ... Derek Donovan, New York's heartthrob and wealthiest billionaire CEO, had been searching for a way to deflect the media's attention from his status as a sought-after bachelor. In exchange for saving her life, he proposed a contract to Camilla: pretend to be his wife for three years to keep the press and paparazzi off. With no other options and no one to rely on, Camilla felt compelled to accept the proposal and sign the contract. But as they navigated the path of their fake marriage, the lines blurred. Derek's icy facade cracked, revealing a burning passion for Camilla. As Camilla's heart wavered, a shocking truth emerged: Derek's past hid secrets, and she was now entrenched in a deadly game of wealth, power, and deception. Will she risk everything to love again, or will the shadows of her past and the danger lurking in Derek's world destroy her forever? The contract has been signed, but the real stakes are only just beginning...