Is 'These Hollow Vows' A Standalone Or Part Of A Series?

She married him to save her sister’s life. He married her to save his crown. For two years, Alicia kept her vows and her silence--until the night Edward Valentine asked for an open marriage and stepped back into the orbit of the woman he once called his first love. When her sister collapses and Alicia faces the worst alone, she finally sees the truth: beneath his cold vows, there was never a heart for her at all. But distance cuts deeper than anger. And when the life he built without love starts to crack, Edward learns the cost of the wife he treated like a stranger. Now the man who never begged may have to. If she’s still there to listen.

She broke into the wrong man’s office. Now she belongs to the Ghost of Wall Street. Clara Sterling came to steal back her father’s empire. Instead, Julian Cross, the ruthless billionaire known as the Ghost of Wall Street, caught her red-handed. His offer was simple and merciless: “Marry me for one year… or watch everything you love burn.” Trapped in a contract soaked in blackmail and obsession, Clara must play the perfect wife while a shadowy enemy, the deadly Goddard Family, circles them with poison, betrayal, and blood. In a world of luxury honeymoons, deadly boardrooms, and lethal secrets, hate ignites into something far more dangerous. Every chapter title is a line he once said to her. And the only man who can save her… might be the one who destroyed her. Married to the Ghost of Wall Street: Twisted Vows

Vows of Silver and Sin “In the city of Oakhaven, you don’t pray to God. You pray to the Syndicate.” Elara Vance is a mafia princess with a lethal secret: she can "read" the memories of any object she touches. But in a world where magic is a death sentence, her gift is a gilded cage. When her father’s gambling debts finally come due, she isn’t sold for gold. She’s sold to Dante Vane the cold-blooded "Shadow-Walker" Don who rules the supernatural underworld. Dante is a man of iron and whispers, cursed with a touch that brings only agony. He doesn’t want a wife; he wants a key. He believes Elara’s bloodline is the only thing that can break the ancient curse tethering his soul to the shadows. The deal is simple: Break the curse, and she wins her freedom. But as the wedding bells toll and a magical war brews on the horizon, Elara discovers that the man she was taught to fear might be the only one capable of saving her. In a den of monsters, falling in love is the most dangerous sin of all. Will she break his curse, or will the shadows consume them both?

Synopsis: Shattered Vows: The Hidden Heiress's Coldest Return "I gave you four years of my life, my genius, and my heart. You gave me a divorce settlement and a motel room. Now, I’m taking back the throne you didn't even know I owned." For four years, Elena was the perfect "charity bride" to Grant Thorne. She lived in the shadows, wore shapeless sweaters, and secretly saved his failing company from bankruptcy using her hidden genius. She endured his coldness and his mother’s cruelty, believing she was an orphan who owed him her life. But on their anniversary, the illusion shatters. Grant serves her divorce papers to marry a "high-society" mistress, mocking Elena for being "small" and "statusless." Little does he know, Elena isn't a beggar she is the long-lost heiress of the Valerius Empire, the most powerful conglomerate in the city. The car accident that "orphaned" her wasn't an accident at all; it was a lethal trap set by those she trusted most. Stepping back into the world as the Ice Queen of Valerius, Elena sheds her mousey persona for 30-inch silk hair, designer armor, and a heart made of diamond. She isn't just coming for her crown; she’s coming to erase every person who stepped on her. Standing in her way or perhaps beside her is Dante Blackwood, the "King of the North" and her family’s greatest rival. He’s a man who has been watching her from the shadows for years, holding a secret contract that claims her as his own. In a world of high-stakes auctions, corporate massacres, and blood-stained legacies, Elena must decide: Will she destroy the man who broke her heart, or will she burn the whole world down with the wolf who’s been waiting for her to wake up?

On the night she becomes Adrian Moretti’s wife, Zara realizes their marriage was never meant to be a love story. “You should prepare yourself, Zara,” Adrian tells her after the wedding. “Tonight will be very different from what you imagined.” Seated away from the family table and surrounded by whispers she cannot understand, Zara begins to uncover a chain of secrets connecting her father to the powerful Moretti family. A hidden ledger bearing her name, a sealed letter, and an old photograph reveal a terrifying possibility: her connection to the Morettis began long before she ever met the man she married. As the truth pulls them deeper into danger, the distance between Zara and Adrian slowly begins to break. But when she discovers that the silence between their vows is filled with lies, she is forced to ask the one question that could destroy them both: Did Adrian marry her to protect her… or because his family was afraid of who she really is? Some vows are spoken aloud. The most dangerous ones are the ones buried in the past.

She married him for revenge. They say grief makes you fragile. They're wrong. Six months ago, Carmela Ferrara’s sister Elena died under the protection of the one man that was supposed to keep her safe—Don Gabriele Conti. Her husband. Now Carmela has one goal: revenge. But nothing in the mafia is ever as simple as it seems. Gabriele is dangerous, damaged, and hiding deadly secrets about the night Elena died. And the closer Carmela gets to destroying him, the more she realizes her sister's death wasn't what everyone believes. In a world built on blood and betrayal, where every vow is a weapon and trust is fatal, Carmela must choose: continue her revenge or uncover the truth. Because the real killer is closer than she thinks. And in the mafia, that mistake could cost her everything. Some vows are made to be kept. Others are made to ruin. 'Til vengeance do us part. An enemies-to-lovers, dark, morally gray romance novel built on revenge, betrayal, self-destruction and revenge.