Introducing the daring and dangerous private intelligence agency, K19 Security Solutions. In this four-book boxed set, these men will battle external enemies and internal passions to protect each other—and the women they love.

This three-book bundle is a spinoff from the uber-popular K19 Security Solutions Teams One and Two series and takes listeners into the darker depths of security and espionage.

When security and intelligence is threatened, the partners of the Invincible Intelligence and Security Group come to the rescue. They save lives. They challenge each other. And they protect the strong women they fall for. The men and women of the Invincibles get the job done.

In the Shadow World, he was the god of death, and he was called many names. The monsters he hunted called him Anubis. Those who saw his face died. To Guardian Security, he was a number - a surgical weapon they wielded against monstrous evil. One woman called him Kaeden Lang. Anubis never meant her to be anything except an interlude - a moment of light in the darkness of his life, a one-time escape from the ever-present haze of death.

There wasn’t a lot that surprised me. My years in the Navy taught me a lot, my years hunting human traffickers taught me the rest. Meeting a beautiful woman in a bar and spending the night with her should’ve been a blip on my radar. Instead, I spent years trying to forget her. In the middle of a rescue operation, fate dropped her back into my life, but there was a twist—she wasn’t alone.

David Xavier - and all those he loved or counted as friends - would forever be mouth-watering targets to men of evil intent. His wealth could settle a small country's foreign debt. Because of this, from the moment of his birth, his mother obscured his identity. Reborn as the man named Gabriel, however, he walked free into a world where the innocents and the weak cried out for a defender, for the hand of justice, for a guardian angel.

Brady Hewitt was all too familiar with the horrors of war. They clung to him, or maybe he clung to them, using the nightmares as an excuse to keep others at bay—especially his boss’ daughter, Hadley Walker. Beautiful, sexy, ambitious, and forbidden. Not just because the former Special Forces soldier respected her father and liked his job, she was too good for him—all sunshine and smiles while he was darkness and filth.

Owen Cullen was a dream. Not a dream come true though, because I’d never dared to dream. He was my wildest fantasy, a hallucination, a delusion. The handsome man who’d saved my life—twice. He was a real-life hero, and I was...what was I? Filth, that was what I was.

When Aurora Bennett witnesses a murder by a ruthless Los Angeles crime boss, she ends up stuck in her apartment like she’s the one who committed the crime. Then a sexy new neighbor moves in, and he’s just the sort of bossy, broad-shouldered male that makes her crazy—in more ways than one. Devon Whitestone can’t tell his neighbor Aurora the truth—that he’s actually a personal bodyguard hired by her brother, the owner of Bennett Security. Rule number one: don’t touch.

Ethan “Chaos” Watson is the unofficial leader of Fallport, Virginia’s Search and Rescue team. The former Navy SEAL has found a lot of different people in the forest in the last five years since he arrived in the small town - escaped convicts, lost kids, hikers who went missing, runaway teenagers, and even a lost pet or two. But this is the first time he’s been asked to look for Bigfoot.

Special Forces soldier and medic Walter River would give anything to snatch more than a few seconds of down time to see if he can rattle the no-nonsense and incredibly hot Dr. Lloyd he's protecting, but dodging explosions, snipers, and student radicals who've unleashed a lethal bio-engineered microorganism have made that almost impossible. Maybe he'll get a chance - if he can figure out how to keep them both alive.

After years of move after move, Witness Protection settled Keira McKenna in Wyoming. Unfortunately, while Keira embraced her new small-town life, her larger-than-life past wouldn’t stay away. And with it, the one man she’d never forget. Four years ago, one massive mistake made Archer Reynolds resign from Boston’s police force. Moving home, he opened Reynolds Protective Group—an elite bodyguard agency—to atone for his failure. But when a series of crimes occur in town, he comes face-to-face with the woman whose name was apparently as fake as her death.

Jake Collins—former Navy SEAL turned FBI agent—lives to see justice served, even if it means bending the rules. When Jake goes undercover to catch a brutal kingpin, he must decide if he can use the man’s daughter against him, despite the fact that she might be the woman of his dreams.

Museum curator Haven McKinney has sworn off men. All of them. Totally. She’s recently escaped a bad ex and started a new life for herself in San Francisco. She loves her job at the Hutton Museum, likes her new boss, and has made best friends with his feisty sister. Haven’s also desperately trying not to notice their brother: hotshot investigator Rhys Norcross. And she’s really trying not to notice his muscular body, sexy tattoos, and charming smile.

Six years ago, in order to save her own life, Addison Williams had to die. Returning home, she started over and never looked back. Until now. After a local interview about her business goes viral, bad things start happening. So, she turns to the only man she trusts—the man who helped fake her death. When the demons from Addy’s past come looking for the woman who cheated death, Ace will risk everything to protect her and prove her betrayed heart is always safe with him.

As one of the newest members of Walker Security, Lucifer lives up to his name. He's a man with demons that run deep and dark. A man with secrets. A man betrayed by a woman, and that betrayal has shaped every part of his life moving forward. He lives on the edge with fast cars, faster woman, and some might say a death wish. That is until he crossed paths with Walker Security and one of their own pulled him from the bowels of his self-created hell. But his own personal devil is about to show herself again. That woman from his past is back, and nothing is as it seems.

Media consultant Veronica St. John has been hired to teach a rugged Navy SEAL to impersonate a European prince who's been targeted by terrorists. But one conversation and Veronica knows there's no way she can turn streetwise New Yorker Joe Catalanotto into nobility. Joe, on the other hand, is confident he's got what it takes. Two days isn't a lot of time to get the job done...but it's enough time to fall in love.

This boxed set includes books 1-4 in the Haven Hart series.

Dirty rich one night stand. That's all it was supposed to be. He's the powerful attorney, now world-renowned after coming off the trial of a century which was publicized across the country. And I'm one of the reporters that sat in his courtroom. I watched him, studied him, got to know him from afar which isn't hard since I know his exact brand of confidence, arrogance, and wealth. I know his type. I've dated his type. Which is why when I happen to come face to face with him, when sparks fly and heat simmers between us, I know what happens if I say yes to Reese Summer.

With danger lurking around every corner and my life turned upside down, I struggle with who to believe and who to trust. Can my heart convince my mind that what was bound long ago is where I’ll find love, safety, and security? Or are the memories simply an illusion?

Jean-Pierre’s greatest gift was a lack of feelings. His past had ripped them away. But then he saw Eden. Onstage, she played her violin, spinning his head with songs he’d tried to forget. Unable to stop himself, he makes Eden his obsession. And unlike any normal man, he takes what he wants. But there’s someone in the shadows blocking his path. His plans for Eden won’t be so simple. This mystery person sends Russians his way, igniting a war with the Bratva. It’s too bad that there’s no limit to his obsession for her - no force that can stop him, no bullet to get in his way.

As Moonstone, she was held captive on a tropical island and forced to submit to the twisted and abhorrent desires of rich men. Now, Katelyn Brooks is starting fresh and is determined to reclaim her life. With the help of the Wolfe family, she’s working toward healing…which doesn’t necessarily include falling for a gorgeous waiter. Luke Johnson is a recovering alcoholic who just wants to fly under the radar. He’s not looking for love, but when Katelyn walks through the doors of the restaurant where he works, he’s struck by her beauty and her meekness.

As an employee of MacBain Securities and Solutions, Claire Kelly can certainly hold her own. Armed with an impressive set of covert skills, she’s more than prepared to tackle any job that comes her way...except one involving Cooper Lockman. Cooper and Claire used to work together before his feelings for her sent him packing to Europe for six long years. But now he’s back and determined to ignore the still-smoldering heat that lingers between them. Their current mission: go undercover together at a California high school to root out the mastermind behind a prostitution ring.

I’ve made my mark and proven my loyalty to a man, a city, and a way of life. That loyalty has provided me with all the spoils of success. For the longest time, that hasn’t included a woman at my side. There is only one beauty that can bring my untapped desire to life. I shouldn’t have opened the door. Cracking open the stone and striking the flint is my doing. What follows is hers. With something so intense, will this spark lead to a blazing inferno? Will we make it out of the ashes before everything I hold dear is ravaged?

A troubled teenage girl has been charged with the grisly murder of her stepfather. The evidence is damning: Emily was found alone at the scene with blood on her hands, and an incriminating email she wrote outlines a murder plot identical to the method of the brutal slaying. But deputy district attorney Julia Chandler believes her niece is innocent, and she's determined to keep the promise she made to protect her dead brother's daughter - even if it means hiring private eye Connor Kincaid...the man who blames her for forcing his resignation from the police department.

Delta Operative Heath “Woof” Davis has spent years living on the edge. Protecting a State Department official is just another assignment, until he discovers that Eleanor Bonham is Nori Duncan, the one that got away. He can protect her from enemy forces in the Republic of Kazarus, but can he defend his heart from the woman who used to be his everything.

When Rock Wolfe was fourteen, he tried to kill his father. Twenty years later, someone else finished the job. Now Rock is returning to New York for the reading of the billionaire's will. No way did Derek Wolfe leave anything to his oldest son, but according to Rock's brother, his presence is required. Estate attorney Lacey Ward isn't looking forward to the reading. None of Derek Wolfe's children will be happy, least of all his oldest. When Rock enters the conference room, Lacey is stunned.

When Special Forces Captain Landon Donovan is pulled from an op in Afghanistan, he is surprised to discover he's been hand-picked for a special assignment with the Department of Covert Operations (DCO), a secret division he's never heard of. Terrorists are kidnapping biologists and he and his partner have to stop them. But his new partner is a beautiful, sexy woman who looks like she couldn't hurt a fly - never mind take down a terrorist. Ivy Halliwell is no kitten. She's a feline shifter, and more dangerous than she looks.

In a world where almost everyone has a superpower, Sam Archer finds himself with one of the most useless abilities of all - immortality. Sure, he can’t die, but he sure as hell can’t fight back either. If anything, the incapacity to die has turned out to be a hassle for Sam, with ridiculous requests for obnoxious favors being a primary concern. However, his coworker Lily Dodson is about to make his life a lot more interesting with her unique proposal. Warning: This book contains adult content that may not be suitable for all audiences.

After a near-fatal head injury, Navy SEAL lieutenant Tom Paoletti catches a glimpse of an international terrorist in his New England hometown. When he calls for help, the Navy dismisses the sighting as injury-induced imaginings. In a last-ditch effort to prevent disaster, Tom creates his own makeshift counterterrorism team, assembling his most loyal officers, two elderly war veterans, a couple of misfit teenagers, and Dr. Kelly Ashton.