Editor says, what if Helen Joy Davidman (the beloved wife of C.S. Lewis) had lived? Please note that the opinions expressed in this post do not necessarily reflect the views of the author(s).
Editor says, in reality she died from bone cancer in 1960 after a three year remission (she also converted to Roman Catholicism). Lewis' health immediately deteriorated and he died three years later. Susan's fate is considered the Unfinished Tale of Narnia because she the sole survivor of the train crash at the end of the seventh novel. The other Pevensies witness Aslan usher in the end of Narnia.
In fantasy author Neil Gaiman's 2004 short story "The Problem of Susan", the protagonist, Professor Hastings, is depicted dealing with the grief and trauma of her entire family's death in a train crash. In this way, Gaiman presents, in fictional form, a critique of Lewis' treatment of Susan. Editorial comments are entered in [light green] typeface.