With This Baby — Caroline Anderson

Claire Franklin has been left to bring up her sister's beautiful baby. She's convinced that Patrick Cameron is the father, though he insists that's impossible. Secretly suspecting that his late brother might well be the little girl's father, Patrick still believes it's his duty to care for Claire and baby Jess....

As he becomes a permanent fixture in their lives, duty turns to burning attraction for one -- and besotted devotion for the other! All thoughts of bachelorhood are replaced by a dream of becoming a husband and a father. But everything is turned upside down when the truth about Jess's paternity finally comes to light....