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.

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.

What's better than one sexy book? Four romance novels—packaged into one delicious audio bundle, narrated by Sebastian York! Bigger Rock is the only bundle for the number one New York Times best-selling Big Rock series, and it includes the first four audio books: Big Rock, Mister O, Well Hung, and Full Package.

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.

Jess: Meet Mark Donovan. Ex-Army sniper. CEO of a multi-billion dollar global empire. Chiseled to the nth degree. And a man I want nothing to do with.I know the type. Dangerous. Sexy. A bad-boy who fills out a Tom Ford suit or pair of Calvin's in equally drool-worthy ways. At his core, the worst kind of heartbreaker. The kind who doesn't even know he did it.

Tall, rugged, and focused on destroying my family, Brody O'Connor's the one person I need to avoid. He seduced me on purpose, and now I’m paying the consequences.

Kincaid: Hero complex? Possessive? Not afraid to speak my mind? Check, check, and check. I'm also president of the Cerberus MC, a former Marine, and Emmalyn Mikaelson doesn't have a clue what she's gotten herself into by jumping on the back of my bike. Shadow: I'm no stranger to a woman warming my bed. What's new for me is being the one ghosted. So imagine my surprise when the girl who decided I wasn't enough shows up on my doorstep burdened with the consequences of her own lies and deceit.

Destroying my partner became sweeter when his daughter stepped on stage at a charity auction. But I don’t want her for a month. I’m upping my bid to make her sign for a year. Her strong will, independence, and defiant attitude toward her family indulges my carnal desires and need for revenge.

Dante Marino’s the definition of beautiful destruction. Everything he touched, he destroyed...including me. We were friends. Then we weren't. He used me. Played me. Took every ounce of my affection and threw it away. He became my enemy, then risked everything to save me. Now, he wants me back, claiming he's changed - determined to make me his. Each vow, every possessive kiss, feels like he’s mine. But I can't forget that underneath his rock-hard body, seductive grin, and wicked promises, one thing will always remain true - he's my undoing.

When the unthinkable befalls Alaska during a trip to Russia, it’s Drake’s turn to drop everything and race to her aid. Safely back at The Refuge, he just as quickly realizes what he’s failed to see for two decades—his oldest, dearest friend is the love of his life. A revelation that may be too little, too late. Because Drake’s brought the enemy right to their door.