Crack CIA analyst Trista Gold is a whiz with the computer, but not so much with people. She hides behind her job, analyzing top-secret code and making recommendations on national security. CIA K-9 officer Sgt. Matt Connors suspects that beneath Trista's uptight appearance, there's a sexy woman itching to cut loose. But he doesn't dare act on his attraction. He's a loner and always will be. Keeping away from Trista is a must-do directive. Until he doesn't have a choice. During a routine assignment, Trista stumbles across a cryptic exchange. Then someone tries to murder her - twice.

It should have been a routine investigation. Instead, DEA K-9 agent Adam "Deck" Decker watches in horror as one Denver hospital seems to be ground zero for overdoses of a new drug. Now Deck can only hope a certain ER doctor will help him and his canine partner track down the source. Dr. Tori Sampson has her reasons for not trusting federal agents, especially ones working for the DEA. But the rash of overdoses—including a heartbreaking case involving a teen—is alarmingly high. And the new opioid is not only extremely dangerous, it defies all the usual medical treatments.

Meg and Hawk are part of the FBI's elite K-9 unit. Hawk can sniff out bodies anywhere - living or dead - whether it's tracking a criminal or finding a missing person. When a bomb rips apart a government building on the National Mall in Washington, D.C., it takes all of the team's extensive search-and-rescue training to locate and save the workers and visitors buried beneath the rubble.

When a young girl is found dead in the mountains outside Timber Creek, lifelong resident Officer Mattie Cobb and her partner, K-9 police dog Robo, are assigned to the case that has rocked the small Colorado town. With the help of Cole Walker, a local veterinarian and single father, Mattie and Robo must track down the truth before it claims another victim. But the more Mattie investigates, the more she realizes how many secrets her town holds. And the key may be Cole's daughter, who knows more than she's saying.

Bounty hunter Molly Pax fought hard for everything she has, turning the bail recovery business she shares with her sisters into an unqualified success. So when their sticky-fingered mother jumps bail and puts the childhood home up as collateral, Molly's horrified. To make matters worse, every two-bit criminal in the Rockies now sees her family's misfortune as their next big break. She needs help, stat. Enter rival bounty hunter John Carmondy: six feet of pure trouble, with a cocky grin to match.

All Major Dani Addams wanted when she started up that trail was to mourn and honor her fallen friend. She has no way of knowing the weather is about to turn on her in the worst possible way - or that she's about to meet a man who will change her entire life. Ex-SEAL Trip Williams and his K9 Valor were brought in to rescue a film crew that got caught in the storm. He isn't expecting Dani. But once he finds her, he will keep her safe...even if he has to disobey direct orders and fight Mother Nature herself.

They are a covert black ops team known only as Team 52. Their mission: to secure and safeguard artifacts deemed highly dangerous and classified…and protect the women who capture their hearts. Get the first three action-packed military romances in the Team 52 series.

Bravo Team's technical analyst and confirmed bachelor Nathan Carter is happy being single and has no intention of falling under the spell of a woman. Ever. Then, he meets Gracelynn. Before he knows it, the sweet, tenacious woman has Nate questioning his long-standing doubts about love, soul mates, and happily ever after. Gracie McDaniels is happy with her new life and loves her new job. Working closely with the hunky guys on R.I.S.C.'s Bravo Team, including her future brother-in-law's best friend, doesn't seem as if it'll be an issue...until she meets him.

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.

Start out the New York Times best-selling Delta Force Heroes series with the first four audiobooks all in one giant collection!