As the autumn chills begin to make themselves known, CMC decide to look into making their clubhouse warmer. But since everypony they could ask about it is busy, they decide to read about it in books.

But since Twilight Sparkle is busy too, and Spike`s out getting grocieries, CMC have to use self-help checkout. And by golly, they check out a lot. Maybe one book too much kind of "a lot", even...