No, this isn't Babysitter's Club and not Harriet the Spy either, this is, I believe the one where her name is Jeremy, and we learn a lot about dialysis and kidney failure because the poor kidney twin can't drink anything, ever, or pee. And THEY play hide and seek in the dumbwaiter, I think, and I think the requisite fat friend gets STUCK in the dumbwaiter.

I don't think it's the same as any of the other books here. But then, what do I know?