The Woman He Loved Before by Dorothy Koonsom
Libby has a nice life with a great job, a gorgeous husband and a big home by the sea. But she's becoming more unsure of Jack's feelings for her - and if he is over the mysterious death of Eve, his first wife.
When fate intervenes in their relationship, Libby decides to find out all she can about the man she hastily married and the seemingly perfect Eve.
Eventually Libby stumbles across some startling truths about Eve. As she begins to unearth more and more devastating secrets, Libby becomes frightened that she too will end up like the first woman Jack loved ...