I have only read about one book by each of the authors, but I've heard that Four British Fantasists is great.

I think it's sort of that she is partly disgusted by Ginty's Unityness, and partly worried about her, so wants to cure it by making her take part in the Festival events. Also exerting her lost Games Captaincy?

You're very welcome to borrow Mrs Pooter's Diary if you'd like - I can brin it when I move to Edinburgh.