Hee, that's fair! I hope you enjoy at least some bits of it. I will warn you, though, there's not much depiction of LMH—it's only fairly vaguely sketched-in as a background for Grace's life and experiments.

I am resigned to semi-historical fantasy-ish fiction where the characters are largely modern people in period clothes

Jonathan Strange & Mr Norrell spoiled me for that kind of thing, clearly :D