Book excerpt: She was desperate for protection. Could she trust a man with her secret? K-9 cop Mark Martin’s undercover assignment was to ensure security for an animal shelter, not fall for the 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 can the cowboy truly protect Luca without revealing his true identity…or his true feelings? From Harlequin Romantic Suspense: Danger. Passion. Drama. Feel the excitement in these uplifting romances, part of the Shelter of Secrets series: Book 1: Her Undercover Refuge Book 2: Guardian K-9 on Call Book 3: Undercover Cowboy Defender