The Sigma Menace Series by Marie Johnston

After being ditched only weeks before her wedding, Cassie Stockwell wasn’t out looking for a hookup. Then the devastatingly handsome bartender she’d been trying not to obsess over for months offered to give her a ride home. What could one night hurt? When his future was almost taken away after one impulsive decision, wolf-shifter Jace Miller waited patiently for months before making a move on the woman he knew to be his destined mate... moreAfter being ditched only weeks before her wedding, Cassie Stockwell wasn’t out looking for a hookup. Then the devastatingly handsome bartender she’d been trying not to obsess over for months offered to give her a ride home. What could one night hurt? When his future was almost taken away after one impulsive decision, wolf-shifter Jace Miller waited patiently for months before making a move on the woman he knew to be his destined mate. But will one night of passion keep his little human by his side once she learns of his world and the danger it brings to her doorstep? less

After losing her family to feral shifters, Dani dedicated her life to eradicating those responsible, almost reaching Agent status with Sigma. Uncertainty about the network, and questions about their purpose were plaguing her when she was tasked with a mission that would forever change her and send her running toward those she once sought to destroy. Mercury’s past and unique looks kept him distant from people, including those of his own species... moreAfter losing her family to feral shifters, Dani dedicated her life to eradicating those responsible, almost reaching Agent status with Sigma. Uncertainty about the network, and questions about their purpose were plaguing her when she was tasked with a mission that would forever change her and send her running toward those she once sought to destroy. Mercury’s past and unique looks kept him distant from people, including those of his own species. Then he captured a beautiful Sigma recruit who claimed to need his help while her scent claimed to be carrying his young. Bitter enemies brought together, they must rely on each other to keep Sigma from getting their hands on Dani, or the growing life inside of her. less

Over a century ago, Bennett Young found his mate, a human woman he trusted and was brutally betrayed by. With his one chance at happiness gone, Bennett throws himself into his work. He dreads the inevitable day he turns feral and his partners will be forced to put him down, then a routine mission brings him face-to-face with his worst nightmare. A human mate. Discovering the lovely, but evasive woman is being hunted, Bennett can’t bring himself to abandon her, at least not until she’s safe... moreOver a century ago, Bennett Young found his mate, a human woman he trusted and was brutally betrayed by. With his one chance at happiness gone, Bennett throws himself into his work. He dreads the inevitable day he turns feral and his partners will be forced to put him down, then a routine mission brings him face-to-face with his worst nightmare. A human mate. Discovering the lovely, but evasive woman is being hunted, Bennett can’t bring himself to abandon her, at least not until she’s safe. Spencer King has a boy’s name and lives in the boondocks for a reason. The tall, sexy shifter who showed up on her doorstep was unwelcome…and pushy. The mating instinct she feels for him threatens everyone she’s worked to keep safe. Realizing the frustrating, brooding Guardian doesn’t intend to leave her alone, Spencer has to figure out if she can trust him, and to decide – stay and fight, or run for her life? less

Master Dane Bellamy was once the commander of the West Creek Guardians, a pack of wolf-shifters charged with protecting local shifter packs. Over a century ago, tragedy struck his growing family, driving him away with a fierce need for revenge. He returned to a devastated, withdrawn mate who resented him for leaving her to fulfill his obligations... moreMaster Dane Bellamy was once the commander of the West Creek Guardians, a pack of wolf-shifters charged with protecting local shifter packs. Over a century ago, tragedy struck his growing family, driving him away with a fierce need for revenge. He returned to a devastated, withdrawn mate who resented him for leaving her to fulfill his obligations. Now, he’s immersed himself in training the Guardians of his pack, while he and his mate have become nothing more than roommates, until the secret life she’s been living brings danger to their doorstep. Suddenly Dane finds himself not just fighting to save his broken relationship, but their lives as well. less

Agent E wasn’t always an evil Sigma Agent. Even though evil had her claws in him, he couldn’t help but hang onto his past and watch over the family he lost, protecting them by staying dead to them. Until one night, he interfered. When Ana Esposito’s life, and that of her son, was saved by the husband she had buried over a decade ago, she found her world irrevocably changed. Any chance of safety for her and her son lay with the hardened man that used to be the love of her life.

Alexandria King’s life was ripped away, destroyed by the evil organization Sigma, and one of its most vile leaders, Madame G. Alexandria was imprisoned, tortured, conditioned, and trained to become one of Sigma’s finest Agents - Agent X. Except, despite what Sigma ordered, Agent X’s only mission became keeping the secret of her bloodline, and using it to destroy Madame G. She’s willing to sacrifice everything to carry it out, even her own chance at happiness with her destined mate... moreAlexandria King’s life was ripped away, destroyed by the evil organization Sigma, and one of its most vile leaders, Madame G. Alexandria was imprisoned, tortured, conditioned, and trained to become one of Sigma’s finest Agents - Agent X. Except, despite what Sigma ordered, Agent X’s only mission became keeping the secret of her bloodline, and using it to destroy Madame G. She’s willing to sacrifice everything to carry it out, even her own chance at happiness with her destined mate. Guardian Commander Rhys Fitzsimmons isn’t willing to let the vivacious, frustrating female, who is supposed to be his mate, throw her life away, even for such a noble cause. When her single-minded mission almost destroys her before she can carry out her destiny, he breaks all the rules to save her. But her destiny was not as they were led to believe, and the real threat to their relationship is bigger than either of them could have known. less