Summary

Chapter 13 opens with Catherine at the train station on her way to work. She is terrified standing near the train tracks, playing out the end of the book repeatedly in her head. Once she arrives at work safely she is overcome with relief at getting back into her normal routine. After exchanging pleasantries with her co-workers, Catherine starts a list of author's she had met with in the past to come up with some suspects for the author of the book. She recalls meeting with Nancy Brigstocke a little more than 10 years prior after Nancy wrote Catherine a letter. Nancy was dying of cancer at the time and claimed that her husband had recently died. Catherine sympathetically listened to Nancy but admitted there was nothing she could do to help her or her writing career. Catherine returns home and finds Nancy's original letter...