Former mercenary Ryder Sinclair's stunning discovery that he has three half brothers in Castle Rock, Colorado, is giving them all the chance to color in the spaces of their tragic pasts. For Ryder, establishing roots is made all the more desirable by Felicity Jones. But if Ryder's instincts are correct, this breathtaking beauty is in trouble.

Nothing is more important to Blake Anderson than the work he does with his brothers at Ace Security. At least that's what he thinks until he meets the fiercely independent Alexis Grant. The security firm's new intern pushes all his buttons - and makes his temperature rise. But giving in to temptation might be risky business. Alexis can tell that Blake has his doubts about her ability to commit. But while most people look at her and see only a flighty rich girl, she knows he sees much more.

For Logan Anderson, moving on from a traumatic past means moving back to his hometown of Castle Rock, Colorado, to start a personal-security business with his brothers. But it's not long before Logan runs into Grace Mason, his best friend from high school...and the woman who never answered his letters during his Army years. Grace was pleasantly surprised to see Logan return to Castle Rock, despite their falling-out ten years ago. Everyone always assumed they would end up together, including Grace.

It’s been ten years since Rex’s wife, Raven, disappeared from a Vegas casino. Never losing hope, he even formed the Mountain Mercenaries to help find her - and other missing wives, sisters, and children. Now Rex and his fearless team are following a lead to Lima, Peru, where the rescue operation is greater than they imagined. 

All defenses are down in the fifth Ace Security novel from New York Times best-selling author Susan Stoker. Sarah Butler isn’t flattered. She’s angry and unnerved. She’s been getting intimate gifts from a man she barely knows. Nothing threatening yet, but there’s just a weird vibe she can’t ignore. Her recourse is Ace Security. Their solution: self-defense lessons at Rock Hard Gym with a personal, hands-on instructor. One look at the bearded, tattooed, green-eyed alpha is enough to take Sarah’s breath away.

As tough as Everly Adams may be, the Colorado Springs SWAT officer is near a breaking point. Her fifteen-year-old half sister, Elise, has disappeared from Los Angeles without a trace, and the window to find her is closing fast. Committed to the search is Mountain Mercenary Kannon "Ball" Black. He and Everly already have a history - of rubbing each other the wrong way.

Dispatched to the Dominican Republic to rescue a kidnapped child, former Marine Archer "Arrow" Kane makes a startling discovery: another hostage - Morgan Byrd, a very beautiful and very well-known missing person who disappeared off the streets of Atlanta a year ago. She’s brave, resilient, and unbroken. All Arrow wants to know is why she ended up in a shack in Santo Domingo. All he feels is the desire to protect. Morgan is done being the victim and is determined to find out who hates her so much that they want her gone - but not dead.

Gorgeous women don’t just stumble onto Ronan Cross’s remote property. But this one - vulnerable, victimized, and needing the kind of help only Ronan can offer - tells a story that makes his blood boil almost as hot as his need to protect her. Since her father’s death, Chloe Harris has become a prisoner. Her own brother, a flesh peddler and low-level player in the Denver Mafia, is forcing her to sell her body for an endgame Chloe never saw coming: control over a vast fortune. Her only way out is to run - straight into the arms of the one hard-bodied man she can trust.

Ever since his rescue op off the Pacific Coast, Mountain Mercenary Gray Rogers hasn’t been able to forget his latest “job” - Allye Martin. Any other woman would have panicked during a rescue, but the wily dancer kept her cool - even after being kidnapped. And Gray couldn’t be happier when a grateful Allye follows him home.... For Allye, finding sanctuary in the arms - and bed - of Rogers is only temporary. People are disappearing off the streets of San Francisco, victims of the same underground trade that targeted her, and Allye could be the key to dismantling the entire operation.

For Sidney Hale, rescuing dogs is more than a hobby. It’s a calling. A deep-seated need. An unstoppable compulsion. For reasons so unsettling, she shares them with no one…until she meets Decker. After coming to her rescue while Sidney battled to save a dog - literally - the gorgeous SEAL proves he can be trusted with her secrets, her safety…maybe even her heart.

As an event planner, Gillian Romano’s an expert at rolling with the punches and solving unexpected problems. But her flight getting hijacked while returning from a job is definitely out of her skill set. Passengers are being murdered, and when she’s chosen by the terrorists to be their mouthpiece, even more innocent lives rest on Gillian’s shoulders. Only the calm, reassuring voice on the other end of the line keeps her sane, forging a bond with a stranger she’s never seen but trusts with her life.

Avery Nelson never imagined she’d find herself a hostage in Afghanistan. She isn’t the kind of woman to sit in a corner and cry, but she can’t deny it’s a welcome relief when the Navy SEAL she’s secretly been crushing on back in California suddenly appears to help her out. Cole “Rex” Kingston has saved his fair share of women over his time as a SEAL, but no mission has ever seemed as important as the one to find nurse Avery Nelson. 

Being raised in the foster system has made Kinley Taylor feel like a lifelong outcast, but it's witnessing a young girl's last few minutes on Earth that proves just how alone she truly is. Kinley has no one to turn to, no family, no friends...except perhaps the gorgeous Delta Force soldier she met months ago. The one she ignored when he'd tried to keep in touch, convinced he couldn't really be interested in a relationship.

What started as an adventure soon became hell. Piper Johnson’s thrilled to spend time in Timor-Leste with her best friend, a Peace Corps volunteer…until civil unrest erupts throughout the countryside, including an attack at the orphanage the women were visiting. With the aid of a SEAL team sent to extract the government employee, Piper flees with the only other known survivors - three young orphan girls. Beckett “Ace” Morgan has no time for regrets. Life is far too short.

One minute, Casey Shea was minding her own business, doing her job, teaching entomology to college students, and the next she was in the middle of the Costa Rican jungle fighting for her life. Troy “Beatle” Lennon has watched his friends fall head over heels in love, but never thought it would happen to him. Until he sees a picture of his teammate’s sister. But that joy is currently being threatened by an unknown person who had Casey kidnapped and hidden deep in the jungle.