This edition explores more fully the psychological and social implications of the plot. I mean, is there really such a thing as an “accident”?
I hope this leaves you questioning the meaning of life. Ask yourself who is the protagonist and who is the antagonist? Was there a hidden motive, or was the tragic result a consequence of absent-mindedness?
If this story leaves you with a compulsion to examine every surface upon which you intend to sit before placing your bottom on it, then my work here is done.