"Fred and her math-teacher mom are always on the move, and Fred is getting sick of it ... On the eve of turning thirteen, Fred sees something strange in the living room: her mother, dressed for a party, standing in front of an enormous paper lantern--which she steps into and disappears. Fred follows her and finds herself in the Land of Impossibility ... With her new friends, Fred sets off in search of her mom, braving dungeons, Insult Fish, Fearsome...