DESIRE IS A FORCE TO BE RECKONED WITH When it comes to training K-9 patrol dogs, Yardley Summers always trusts her instincts. But when it comes to dating men, she keeps her heart on a very short leash. Mostly, she’s too busy with her four-legged trainees at Harmonie Kennels to commit to a relationship. Only two men have managed to distract her: a handsome Doctors Without Borders physician who’s suddenly gone missing―and the red-hot dog trainer from her past who’s suddenly back in her life… Now a K-9 rescue team leader, Kye McGarren has never forgotten the days he trained at Yardley’s camp―or the nights he spent in her arms. When he hears that Yardley is on a mission to find the missing doctor, Kye is determined to keep her out of danger. With his K-9 partner by his side, he joins Yardley on a death-defying mission―one that reignites their mutual passion. Will Kye be able to rescue his romantic rival…without losing the woman he loves? Rival Forces is the fourth installment of D. D. Ayres' K-9 Rescue series.

Passion is always worth fighting for… Jori Garrison trains dogs for Warrior Wolf Pack, which provides service animals for disabled veterans. Four years ago, she was wrongly convicted of a crime—thanks to her no-good ex- fiancé. Now she just wants to live her life in peace with her beloved dogs. No men, no complications. But it's hard to play it cool when a lethally hot male is on her tail—and the attraction is fierce, mutual, and dangerous…. PRIMAL FORCE Lauray "Law" Batisse is a Military Police veteran who was wounded in Afghanistan. Haunted by the loss of his K-9 partner in combat, he's reluctant to accept a service dog named Samantha into his life. But once he meets her trainer—the gorgeous Jori Garrison—he can't fight his primal instincts. And neither can Jori. This sexy alpha male might be the only man strong enough to unleash her desires. And when unseen enemies start hunting them down, he and his new K-9 partner might be her only hope…to survive.

A seasoned K-9 officer with the police in Maryland, Cole Jamison has left her old life behind her. With a new home and a new partner--a protective canine named Hugo--Cole is ready for fresh challenges. A crucial position on an important drug task force is exactly what she wants…until she discovers her gorgeous, infuriating ex-husband will be the DEA agent in charge. Agent Scott Lucca may be a pro when it comes to undercover assignments, but this job is daunting even for him. Posing as a happy couple on the dog competition circuit means he and Cole need to get a lot closer than they've been in years. Playing a live-in couple should seem like a walk in the park compared to tracking a brutal criminal, but suddenly nothing could be more dangerous than the passionate fire they've rekindled...

When adrenaline runs high, so does the force of desire… For Shay Appleton, it’s love at first sight when a gorgeous stray dog is brought into the animal shelter where she works. She just knows he’ll make a terrific watch dog—and with an abusive ex who won’t let go, she needs all the protection she can get. But Shay never suspected that her new pet is actually a trained police K-9 named Bogart—until Bogart’s even more gorgeous, human partner shows up on her doorstep. IRRESISTIBLE FORCE by D.D. Ayres Officer James Cannon is one tall, strong alpha male who’s convinced that Shay stole his dog. But once he gets closer to the suspect, he realizes that this stubborn, independent woman not only needs a guard dog, she needs James as well. It seems that someone from her past is stalking her, and threatening her life. When danger meets desire, will James risk his career and his best friend…to protect the woman who’s stolen his heart?

It was supposed to be a sexy calendar shoot to raise money for K-9 service dogs. Photographer Georgie Flynn never expected to break all her personal rules and jump into bed with one of the hunky men posing. And after their steamy night together, she certainly never expected to see him again…despite their powerful connection. When she's targeted by a stalker and possible bomber, Georgie finds that her gorgeous one-night stand is the only one who can help. Brad Lawson, an FBI operative, and his K-9 bomb sniffing partner are assigned to protect the pretty photographer--and this time, he’s determined to keep things professional. He just didn't count on their explosive connection rekindling. But with a deadly threat on the horizon, will he be able to keep his body’s demands in check and complete his mission?