(... just in case you are frantically scanning my blog, drooling "But what about Frankenstein? What happened in Frankenstein?!")
I was right. The narration folded back upon itself -- from the Monster to Frankenstein to the original Mariner.
(you can wipe your chin now.)
(p.p.s. do you like the new choice in font size? for those without my niece's eyesight)