It's You by Jane Porter
Jane Porter never fails to deliver when it comes to writing great romance. After a heartbreaking personal tragedy, Dr. Alison McAdams is called to Napa to care for her ailing father. While there, she is moved by stories she hears from the World War II survivors she befriends, and sets off on a quest to discover the truth about one woman's lost love. Along the way, she is able to put the pieces of her own heart back together.