The Devil You KnowBe careful what you wish for . . . The Fell Family has a small problem a little devil that lives in their house. He does all sorts of bad things, and the Fells are fed up. When the prim and proper Ms. Phisto mysteriously appears and offers to remove the little devil and come take his place, the Fells are all too happy. But trading in one small problem for something else might just get you a very, very BIG problem. People often say, "You're better off