Kidnapped by an alien. Marked as a galactic threat. Trapped in a mating bond neither of them chose.Maya Mirabella was days away from finishing her master's degree when her life exploded. One moment she was walking home. The next, she was snatched up by a ruthless, devastatingly gorgeous assassin-and abducted onto an alien ship.Riv'En, Fourth Unit Assassin of the Intergalactic Warriors, was engineered to eliminate threats, not question them. But Maya is unlike anything he's ever encountered: a twin, an anomaly, a wildcard who defies every law he's sworn to enforce. She should be a prisoner. A danger. Instead, she's triggering instincts he's never felt-and emotions he was never supposed to have.Trapped together in deep space, Maya and Riv'En face enemies from both outside and within. The more he isolates her, the more she dismantles the cold programming he lives by. And the closer they grow, the more deadly their bond becomes.Because falling for her could destroy them both.Dark. Addictive. Irresistible. Fourth is a fast-burn, enemies-to-soulmates sci-fi romance, packed with raw emotion, explosive tension, and a love story that dares to rewrite destiny.Fans of alien warriors, forced proximity, and deeply emotional love stories-welcome home.USA Today Bestselling author, writing as Dare O'Dell, has published more than 70 novels and has received an impressive eleven nominations for the romance industry's most prestigious award, Romance Writers of America RITA(c) Award. Dare lives in Charlotte, NC and spends her days obsessively writing while surrounded by her adorable husband, busy children, even busier grandchildren, two Teddy Bear puppies, and a whole lot of dust!