Which is quite the coincidence, as I just read the second book in the series today.
More on that tomorrow, though I will say that upon finishing it, I immediately sent this tweet:
@maureenjohnson Just finished The Madness Underneath. *throws barrage of snowballs in your general direction*— Leila Roy (@bkshelvesofdoom) February 24, 2013
So, you know. That's where I'm at right now.