The Cowboy's Secret Son. Judy Christenberry

With one glance Nick Logan knows Abby's little boy is his son–and now he wants the chance to be a father to Robbie.Though Nick sent her away once, Abby vows he won't get his way this time. She has no intention of letting her son out of her arms. But living with Nick on his Wyoming ranch is more than she bargained for. As is the sneaking suspicion that she's never really got the charismatic cowboy out of her system.