Which Nonfiction Books Stayed Longest On The New York Times Best Seller List?

Grace Monroe was a supermodel who walked away from the runway to build something real… her own sustainable fashion line. When billionaire hedge fund manager Carter Vaughn pursued her relentlessly, she believed she'd found a partner who saw beyond her face. Three years into their marriage, she discovers sex videos of Carter with multiple women, including her former best friend Stella. But the real devastation comes when she finds a contract: Carter married her as part of a bet with his elite boys' club… the first to stay married to a "perfect 10" for three years wins fifty million dollars. She was never a wife. She was a wager. Grace takes the scorched-earth divorce settlement and disappears. What Carter doesn't know: she's pregnant with twins. Grace returns as the founder of GRACE, a feminist fashion empire built on her viral campaign exposing "trophy culture." She's on magazine covers with her twin boys, August and James, refusing to name their father. She's wealthy, powerful, and untouchable. Carter's reputation is destroyed, his boys' club dissolved in scandal, and his fortune is crumbling from boycotts and bad investments. But when Carter discovers the twins are his… through a morally questionable secret DNA test—everything changes. He's not the man who made that bet anymore. Prison time for securities fraud, the loss of everything he valued, and watching Grace become the woman he prevented her from being has broken and rebuilt him. Now he wants his family back. Can a man who treated her as a commodity learn to truly love? Can she risk her sons' hearts on the father who didn't know they existed? And when Carter's former friends try to destroy Grace's empire to punish Carter, will she let him fight beside her or will she prove she never needed saving?

The Billionaire’s Sex Diet Obsession “He doesn’t believe in love. He only believes in sex—and now, she’s the one he can’t resist.” Alexander Voss is ruthless, rich, and dangerously irresistible. To the world, he is the untouchable billionaire CEO of Voss Enterprises. Cold. Calculated. Untamed. But behind his sharp suits and piercing eyes lurks a darker hunger. For Alexander, sex isn’t romance—it’s survival. His life is ruled by a strict diet of desire: no strings, no emotions, only raw, addictive pleasure. Then comes Elena Hayes. She’s young, broke, and drowning in desperation. With her mother in the final stages of cancer and hospital bills threatening to destroy her, Elena believes landing an internship at Voss Enterprises will be her salvation. Instead, it throws her into the path of a man whose obsessions are as dangerous as his power. One late-night encounter sparks the unthinkable. One dangerous proposition changes her life. One contract binds her innocence to his darkest cravings. He offers her money. She offers her body. Neither expects obsession to take root. But the more he tastes, the more he craves. Alexander—who once controlled everything—finds his carefully measured “sex diet” spiraling out of control. Because one taste of Elena was never enough. Now, she is more than temptation. She is the addiction he cannot escape. And as desire turns into dangerous obsession, Elena realizes it won’t just be her body at risk… it will be her heart.

She thought she had it all—a peaceful life, a loving relationship, and a future she could finally count on. But everything shattered the moment she discovered the truth. He never planned to stay. He never planned to love her. He only wanted the child. Forced to make an impossible choice, she vanished, determined to protect the life growing inside her. For years, she lived in silence, hiding the truth, raising a secret no one could ever know. But fate has a cruel way of circling back. When the past resurfaces in the most unexpected way, everything she fought to protect hangs in the balance. The lies. The love. The billion-dollar secret. Some stories aren’t meant to stay buried. And some truths refuse to stay hidden.

She gave him everything: her love, her loyalty, even her life savings to build his empire. On their third wedding anniversary, Victoria Hale believed her cold and distant husband would finally see her worth. Instead, he shattered her heart. With one cruel slap and a set of divorce papers, he told her the truth: he had only married her for money, and he was leaving her for her stepsister, the woman he had loved all along. Broken, mocked, and left with nothing, Victoria almost gave up. But when a powerful investor—her ex-husband’s biggest rival—offered her a chance to rise again, she took it. Two years later, the woman everyone once called weak returned as the CEO of one of the fastest-growing fashion empires worth billions. She was stunning, confident, and untouchable, no longer the naive wife who once begged for love. So when Trent Rhodes came crawling back—jealous, desperate, and ruined—Victoria looked him straight in the eyes and said, “I’m sorry, do I know you?”

He once thought she was just a quiet wife with no big dreams. Now, she’s the face on every magazine, the woman the world admires and the one he let slip away. Eunice Ednah had nothing when she walked out of David Richard’s mansion: no money, no name, and no support. What she had was determination. And a secret: she was carrying his child. Years later, David watches her rise from the shadows to the spotlight, now a billionaire fashion mogul with power, beauty, and grace. The same woman he once underestimated is now the one the city celebrates. It was their child that brought them face to face again David must face the truth: he lost more than a wife. Will love find a second chance? Or has Eunice closed that chapter forever?

Clara Rivers only wanted a fresh start—a simple job, a quiet life, and enough money to keep her family afloat. But everything changes the day she crosses paths with Elias Kane, the cold, calculated billionaire whose gaze feels like both a warning and a promise. When a business deal forces them into a fake engagement, Clara thinks she can handle it. Smile for the cameras. Stay by his side. Don’t fall for him. But Elias is not a man meant to be close. He’s sharp where others are soft, silent where others speak, and every step she takes into his world pulls her deeper into something dangerous… and irresistible. Their act is supposed to stay professional. Until his touch lingers. Until her heartbeat betrays her. Until every lie starts to feel painfully real. Elias claims she’s nothing to him—just a contract, an accessory to control the media storm around his name. But the moment another man shows interest in Clara, Elias’s mask cracks… revealing a possessive, jealous obsession he can no longer hide. As secrets unfold, emotions ignite, and the stakes grow higher, Clara must confront the truth: Is she just another woman caught in the billionaire’s web or the one person capable of breaking the walls he swore would never fall? A gripping slow-burn romance full of tension, heartbreak, and undeniable chemistry—The Billionaire’s Hidden Obsession is a love story that proves some obsessions are too powerful to escape.