Was that the story or the icecream I was eating that made me shiver? I guess we'll never know.
Gordon Korman is one of the only authors I know who can write a better sequel than the original. I do not understand how a mind can create a plot like this. Completely insane and yet entirely void of plot holes—you never know what's coming next. (Really, I tried to guess and got it completely wrong.) I really am amazed by this.
Also, it made me cry. So extra points.