They create wines that can remove memories, cheeses that can make you hallucinate and perfumes that convince you to trust the wearer even as they slit your throat. The people of Caverna are more ordinary, but for one thing: their faces are as blank as untouched snow. Expressions must be learned. Only the famous Facesmiths can teach a person to show (or fake) joy, despair or fear — at a price.Into this dark and distrustful world comes Neverfell, a little girl with no memory of her past and a face so terrifying to those around her that she must wear a mask at all times. For Neverfell's emotions are as obvious on her face as those of the most skilled Facesmiths, though entirely genuine. And that makes her very dangerous indeed...

    Because: ANYTHING can happen in a 13-storey treehouse.This is a major new series from Andy and Terry- and it's the logical evolution of all their previous books. There are echoes of the Just stories in the Andy and Terry friendship, the breakaway stories in the Bad Book (the Adventures of Super Finger), there's the easy readability of the Cat on the Mat and the Big Fat Cow, and like all these books, the illustrations are as much a part of the story as the story itself.