Which Author Wrote The Best Book For Cryptography?

Nicole’s life changed drastically when she was reunited with the Riddle family. “Nothing is more important than my sister,” said her eldest brother, the domineering CEO.“You are still a student with no income. Take my credit card and spend however you like,” said her second brother, the financial expert.“I will allow no one to bully you at school,” her third brother, a top student, said.“Why did I compose this song? Because it would put a sweet smile on your face when you hear it,” her fourth brother, a talented musician, said.“You're so delicate. Let me do the dirty work for you if you want to beat someone up,” said her athletic fifth brother.Just when Nicole was barely accustomed to the pampering of her five brothers, she found herself having a fiancé, a nemesis from whom she had hacked a hundred million dollars.She needed to cancel the engagement, no matter what. But he pressed her against the door and said, “How can you run away just like that after stealing my money, you brat?”“Even if I don’t run, I don’t have the money to pay you back,” Nicole acted tough.“Oh, yeah? Then I will take you instead of money.” He then carried her on his back and took her away.

Rhonda Vons was a brilliant tech mastermind who had spent years hiding in the shadows, quietly building her Alpha husband’s tech company. She returned home on their sixth wedding anniversary to surprise her Alpha husband with the truth behind his company’s success, only to find him cheating on her with their son’s nanny on his office desk. She was shattered, but what broke her the most was discovering that her precious pup, whom she had almost lost her life for, had chosen his nanny over her. For six years, she had been the perfect wife and Luna to Theodore. But not anymore. She intended to ruin him and then vanish afterward. When Theodore finally realized who she really was and how much of a failure he and his company were without her, he came crawling, begging for her forgiveness. But it was too late. She was now the tech director at a rival company owned by her childhood sweetheart, and old flames may just be burning hotter than ever!

Elena Cordova designed revolutionary algorithms for a multi-million-dollar company. The only formula she couldn't solve? Her own marriage. After seven years of being the invisible wife to a cold billionaire, Elena is finally trading in her wedding ring for her worth. Marcus Ashford married her for obligation, hid her from the world, and replaced her with a woman who played the perfect stepmother. But when he finally pushes her too far, he discovers that the brilliant, betrayed woman he dismissed has been running calculations all along. Now, Elena is back in the boardroom, her mind sharp, her fortune growing, and a handsome rival billionaire watching her every move. She wants revenge. She wants vindication. She wants her daughter back. Marcus thought she was a social climber. He thought she was docile. He thought he could replace her. He was wrong. He used her for her brilliance. Now, she'll use her brilliance to take everything back. Divorce is just the beginning of her beautiful, calculated comeback.

From New York to Rome, Istanbul, Cairo, Iceland, and beyond, Adrian races against an invisible enemy that has protected the truth for over five hundred years. But as the final cipher draws closer, he realizes the greatest danger isn't unlocking the secret... it's surviving it.

To save her sister from dying—and herself from going to prison—brilliant but desperate hacker Layla “Lyx” Costov must do the unthinkable: seduce and betray Micheal Wade, the ruthless tech billionaire from her past and Atlanta’s most untouchable bachelor. Her mission is simple and deadly—slip into his life, earn his trust, and steal the incriminating evidence that will destroy his empire. But the man she remembers isn’t the man she meets. Beneath Micheal’s cold power and fortune is a lonely genius who’s drawn to her fire, her defiance, her refusal to bow to him. The more she pushes him away, the deeper his obsession burrows. And the closer she gets to his secrets, the more tangled she becomes in his arms… and his world. Every touch she shares with him is a lie. Every kiss is a trap she set for herself. And every moment she falls harder. As the clock races against her deception, she must decide: save her sister, or shatter the heart of the only man who has ever seen her—the man she’s sworn to ruin, and the man she’s terrified to love. But everything changes when she uncovers a darker truth: her dead, brilliant mother may have been murdered… by Micheal’s father. Now the line between love and survival blurs. Will Layla protect her sister and expose the powerful man she loves—soon to be a father in law? Or face the monstrous truth about her own blood… and her illegitimate father? One betrayal will destroy an empire. Another will destroy her heart. And only one will save the people she loves.

Julian Silas is a man living as a shadow. After the suspicious death of his father, a legendary royal jeweler, Julian’s treacherous stepfather seized the family’s prestigious workshop, forcing Julian into a life of clandestine labor. While his stepbrothers parade around high society in Julian’s designs, Julian remains locked in the cellar forge, known to the world only as a common servant. His only connection to his true identity is a pair of heirloom cufflinks—exquisite silver swans bearing the "Cigna," a secret mark used by his ancestors to authenticate their greatest works. Across the capital, Queen Althea is fighting a war of her own. Her advisors are pressuring her to enter a loveless political alliance to stabilize the crown. Defiant, she hosts a grand masquerade, declaring that she will choose a consort based on character, not a pedigree curated by the council. When Julian arrives at the ball in a suit of his own tailoring, he and Althea share a night of genuine connection, discussing the beauty of creation and the weight of duty. But as the clock strikes midnight, a palace security breach forces Julian to flee. In his haste to scale the garden wall, one of his Cigna cufflinks is torn from his sleeve and falls into the dewy grass. The Queen finds the token, but rather than sending her guards to find a man who "fits the suit," she turns to her greatest strength: her intellect. She recognizes that the "Cigna" isn't just an ornament—it’s a Coded Sign.