Erin's Fight (Gray Wolf Security Shifters: Volume One) — Glenna Sinclair

This is book four of Gray Wolf Security SHIFTERS and contains over 50,000 words of paranormal romantic suspense. Tunstall travels to Austin to get help from Gray Wolf security expert David Grayson. He's joined unexpectedly by the newest recruit, Garrick Hamilton, a naïve but likable shifter with almost no experience in the security game. They're not in Austin more than an hour before Garrick invites himself into a case, protecting a pretty but terminally ill social worker who's been getting threats from someone wanting to find one of her young wards...