Undercover Cowboy Defender by Linda O. Johnston

She was desperate for protection. Could she trust a man with her secret?

K9 cop Mark Martin’s undercover assignment was to ensure security for an animal shelter, not fall for a new employee. But the shelter was a front to hide people in danger and Luca and her young son certainly needed his help. With his connections, Mark confirmed the man stalking Luca was on the loose. How could the cowboy truly protect Luca without revealing his true identity...or his true feelings?