It's hard for people to see my heart when I'm known for my ferocity.I've learned to hide my feelings and do my job. When I'm hired to protect a billionaire heiress on a humanitarian mission to South America, I think it's business as usual. Then I see her. I catch a whiff of her unique scent, and I know she is my mate. The mate I never thought I'd find.She doesn't want anything to do with me, though. She's feisty, determined, and fully focused on her work. She has no time for romance, and even if she did, she would never choose me, her bodyguard.Next thing I know, her life is threatened, and she still ignores me. Tough luck. I will protect her whether she likes it or not.Monster Security Agency is the most elite bodyguard service in the world. These monster bodyguards are lethal, powerful, and determined to protect their clients at all costs. They shouldn't fall in love with their principals, but if they do? Things are bound to explode.Here come spicy, romantic, and action-packed tales by your favorite paranormal and sci-fi romance Cassie Alexander, Eden Ember, Layla Fae, and Cara Wylde. Dive into the world of the Monster Security Agency.