What Mystery Romance Books For Adults Explore Cold Case Investigations?

For three years, Rachel lived a double life—his wife in private, his secretary in public. Bound to billionaire Slade Pierce by a secret marriage contract, she followed two impossible rules: no children, no falling in love. She broke them both. With the contract’s final days ticking away, Rachel discovered she was pregnant. Afraid of shattering Slade’s trust and certain he was meant to marry another, she signed the divorce papers and vanished, determined to protect her unborn children from a love she believed was never real. Then fate intervened. A tragic accident stole her memories, her name, her life. To the world and to Slade, Rachel was dead. Years later, Slade still lives with her ghost. He’s built an empire, but his heart never healed. Until the day he sees her again—alive, breathing, and looking at him like he’s a stranger. Rachel doesn’t remember the secret marriage. She doesn’t remember the nights they shared or the promises they broke. Yet something deep inside her stirs whenever he’s near, a connection she can’t explain, a pain she doesn’t understand. As fragments of the past begin to surface, so do the secrets that tore them apart. Will she remember the man who never stopped loving her? Can love survive even when memory is gone, or is fate about to take her away all over again?

Every encounter leaves a mark. Behind closed doors, desire wears many faces—dangerous strangers, forbidden temptations, second chances, and nights that blur the line between pleasure and regret. Sinful Encounters: A Steamy Collection brings together intoxicating stories filled with scorching chemistry, emotional tension, and irresistible attraction. From slow-burning seduction to reckless passion, each story invites you into a world where hearts race, boundaries shatter, and one touch can change everything. Darkly alluring, addictive, and unapologetically sensual—this collection is perfect for readers who crave romance with heat, obsession, and unforgettable sparks.

Aria Bennett once believed love could survive anything. Even a marriage built on silence. Even a husband who never truly looked at her. But on their wedding night, Ethan Blackwood ended everything with a single sentence that shattered her world: “Sign the divorce papers.” No explanation. No emotion. Just an ending dressed as law. Humiliated and heartbroken, Aria disappears. She rebuilds herself from ashes, learning to survive without him, breathe without him, and exist without the shadow of his name. Three years later, she is no longer the woman who loved too softly. She is stronger now. Colder in places. Sharper in ways pain creates. Then Ethan returns. Powerful. Unchanged. Unaware. An accident has stolen his memories, erasing every trace of the woman he once married. To him, Aria Bennett is a stranger he cannot explain. Yet something about her unsettles him. Draws him in. Refuses to let him go. And Aria? She recognizes him instantly. The man who broke her heart now stands before her as if they have never met. Fate traps them in proximity again—through business, circumstance, and unavoidable collision. With every encounter, the line between past and present begins to blur. He protects her without knowing why. Looks at her like she already belongs to him. And slowly, he falls for her… again. But Aria remembers everything. Every silence. Every wound. Every ending. And beneath his lost memories lies a truth far more devastating. Ethan didn’t just forget her. He once made choices that erased her long before the accident ever did. Now love turns into obsession, guilt, and a dangerous kind of redemption. Aria must decide: forgive the man who loved her too late, or walk away before he destroys her twice. Because this time, forgetting her may cost him everything.

They say life begins after 40, but Cassie ain't feelin' it. Divorced and feeling trapped by her job, she wants to let loose for her friend's tropical beach wedding. She decides to let her hair down and get a little unpredictable. That's when she meets a handsome bartender, Wyatt. Despite a few grey hairs, Wyatt's the liveliest man that Cassie has ever met. She knows that there's got to be more to his life story than just being a bartender, but this is just supposed to be a vacation fling. And after sunny days spent breaking all the rules on the beach together, Cassie realizes that nobody has ever listened to her the way that Wyatt does. His carefree life is enviable, his kisses are intoxicating, and she can almost imagine a life with him. But all vacations come to an end. And when Cassie invites him to visit her hometown, Wyatt reveals that he can never go back. Not to her town. Not to America. Not to civilization. Cassie leaves, confused and heartbroken, wondering just who she got herself involved with. Suddenly, her predictable life gets turned upside down when she sees her picture splashed across the Internet. And when the tabloids come looking for the mature woman who found the lost billionaire, she has no idea what to do... ...until he comes back.

When a secret agent falls in love with the very mob boss she's supposed to be taking down, there can only be deadly consequences...

"He's gone, Elizabeth," her captain Charles Johnston tells her. Elizabeth blinks back her tears. Her face full of shock and disbelief. Her frozen stare interrupted by his words. "He left his badge." "There's no way," she thought. He wouldn't leave her like this. No warning, no phone call, no letter. She was more to him than that or at least so she thought. That conversation has plagued her for 3 years. For 3 long years, Detective Elizabeth Ryan tried to shut out him, to finally be able to move on. But just as she does, he abruptly returns seeking more than what either of them anticipated. Will Elizabeth be able to forgive him, or will the past be too much to swallow? What happens when life throws her too many twists to handle?