This is where I have to start being a bit careful, as while having a base level understanding of certain elements in the book can deepen your appreciation of Lisey’s Story, it’s also an arena where some stones are presently best left unturned for spoiler reasons.
The only way to find out is to watch the series (or, obviously, read the book).
When I mentioned a “whole new world” in the opening of this feature, it was really Boo’ya Moon to which I was referring.
It’s a place of incredible beauty, and also everlasting nightmares that Scott introduces to Lisey when their relationship is getting serious.