On the Lam (The Gregory Series #2)
Sue Fineman

Callie Caldwell left her abusive husband, the big, bad sheriff of Caledonia County, Texas, and filed for divorce, but the sheriff has stolen her ranch and tricked a judge into giving him custody of her son. Broke and scared, she desperately needs Bo's help. Bo wants to know why the sheriff wants Callie's ranch so much he'd force her to stay in a loveless marriage. Unable to fight his growing love for Callie and her little boy, Bo searches for answers.