Which Landmark Spy Novels Most Influenced Modern Intelligence Stories?

William hated the mafia more than anything. Haunted by the brutal death of his sister, the young officer accepts a dangerous mission to infiltrate the notorious Tiger Fangs gang and steal a file that could bring the entire mafia empire crashing down. He disguised himself as the secretary to the gang’s ruthless leader, Dante Gordiano. But nothing prepares William for Dante himself. He was mesmerising, ruthless, and far too captivating. William had imagined an ugly beast for such a reputation as Dante’s. Every stolen glance, every heated exchange chips away at William’s resolve. The deeper he goes, the more he risks losing not just his mission… but his heart also. Yet Dante has his own game to play as he lures William into the little stage he has prepared. Enemies close in from every side with traitors hiding in plain sight and allies with knives behind their backs. Lies and deceit weave the chains tighter and William finds himself trapped in a deadly dance of power, passion, and betrayal. In a world where love is a weapon and trust is a luxury, William must decide. Was Dante his ruin, or the only one who could save him?

Ellen Burge is a famous spy who is known as Chizuki. One day she found out that her friend Luna Bloomberg is working in an illegal organization that was built by his other friend named James Carter the younger brother of her crush William Carter. Will Ellen choose to protect her friends or will she finish the mission to kill Them?

In a deadly game of spies and dealers, trust is the ultimate weapon—and love the most dangerous betrayal. Sabrina is a cold, detached assassin, trained to infiltrate, manipulate, and eliminate without hesitation. But her latest mission is different: Viktor, a sadistic arms dealer with a dangerous empire, is her target. What begins as a professional operation soon turns into a psychological nightmare. Viktor has secrets of his own and plays a twisted game, pushing her to her limits with violence and manipulation. As Sabrina is drawn deeper into his dark world, she begins to lose herself, torn between completing the mission and the suffocating love Viktor offers. She must decide: escape or join him in the darkness.

Ally, was a regular girl going about her ordinary life, one she was bored of. She wanted something interesting to drop on her life, to break her out of the same routines day in and day out. But she should have listened to the common saying, be careful what you wish for. Her life is turned upside down when Ally’s father is kidnapped one night. She’s confused and doesn’t know what’s happening until she calls her mother. She learns the reason for her mother being so distant going up; her mother was a renowned spy who tracked down and stopped some of the world's most dangerous criminals. She’s sucked into the dangerous world of gangsters and secret admirers, where she learns it may all evolve around her. Follow her story to see if she can free her father, or will she cave under the pressure? Read on to find out.

Special Agent Violet (sometimes Secret Agent Violet) is one of the FBI's best agents. She's very good at deducing people and observing things most people missed. She's socially inept with no friends. She's very dedicated and loves her work...so much. The word love is alien to her. Relationships were nothing for her. She just needs work, work, work, and work. Her heart was stone-cold. "Karate chopping the clichés and norms all in a dress." She's a special agent. And she's Violet.

Fed up with the perilous life of a deadly agent, Allison Miles decides to start anew. She relocates to a new city, adopts a new identity, and deliberately gets fat to avoid recognition. While at this, she finds love with billionaire tycoon Williams, and they marry. For a while, Allison believes she is loved by Williams. However, her whole world comes crumbling at her feet when she discovers Williams cheating with her best friend of two years, Jessica. The betrayal cuts deep, and Williams's remorseless attitude only increases her pain. Desperate to escape the agony, Allison runs out into the stormy night, her vision blurred by tears. And things get terrible when a car accident results in the loss of her three-month old pregnancy. Lying in a hospital bed, Allison's suffering worsens as Williams and Jessica visit her, not to offer comfort and apology but for Williams to shove divorce papers in her face, demanding she signs them. Devastated and heartbroken, she succumbs, freeing Williams to be with Jessica. With the pain eating through Allison, she decides to go back to her old life as a powerful secret agent.  A year later, she returns, utterly different with a great body. She has regained her skills and power as a secret agent. Confident, strong and ready to take control, she is fueled by a burning desire for revenge. And she vows to make Williams and Jessica pay for their betrayal.