She erased their past. He’s betting on their future.   When Landon receives a letter from Rose—the woman he once planned forever with—he learns their love story is over. She’s undergone a radical memory-erasing treatment, leaving behind her grief, her past... and him. But Landon can't bear to lose the love of his life. If she fell for him once, couldn’t she fall for him again?   Now living in Edinburgh, Rose's world is a blank canvas, and she's dating someone new. When Landon reenters her life as a stranger, they become fast friends, their lives entwining once more. But what Rose doesn’t know is that this new friend carries the weight of everything they once shared: their firsts, their marriage, and the heartbreak they barely survived. And when she starts exhibiting strange symptoms, it becomes clear their history isn’t gone—it’s just buried. And remembering could come at a devastating cost.   Told in alternating timelines—his from the present, hers from the past—The Good Parts is an achingly poignant story about the people we become across a lifetime, and the quiet grace of learning to let go while holding on to what’s worth keeping.