Sail Beyond Tomorrow by Doug Welch
Approx. 53,530 words.
Published on July 30, 2011.
Susan Martian couldn't know when she schemed to snare Richard Parker, a hot university colleague; that her plans would derail. Why? Well, her dad, Nate fell in love with Richard’s mother, Kate.
Nate and Kate both suffer from Alzheimer’s disease but plan to marry. But will Richard’s disapproval doom them and rip Susan's heart apart, or will it be the world's end?