Valerie Hansen 
Threat of Darkness [EPUB ebook] 

As a nurse and special advocate for children, Samantha Rochard is used to danger in small-town Serenity, Arkansas. But when she suspects a little boy is in jeopardy from his powerful father, the danger turns on her. Her only source of protection? The handsome police officer who broke her heart five years ago. Yet after John Waltham comes to her rescue in more ways than one, Samantha must trust in him—and the Lord—to watch over her…and save one sweet little boy.