Unlikely Guardian by Delores Fossen

Rugged Texas detective Jason Lawrence didn’t expect his brother’s death to mean he would become a father. But after a suspicious car wreck left Lilly Nelson in a coma, and his niece without a mother, the tough-as-nails police officer stepped in to raise the baby. After nearly two years, Lilly finally awakens and quickly becomes a target once again. Working together to uncover the secrets buried in her father’s business records poses a threat to all their safety. With both mother and child under his protection, Jason must navigate the undeniable attraction between him and the still-healing Lilly while sheltering in close proximity. But how much is he willing to risk to keep Lilly safe?