North! Or Be Eaten By Andrew Peterson

Janner's life is changed when he and his siblings find out that they are the jewels of Anniera but now the fangs of dang are after them. So they have to flee their uncle Peet’s houses but along the way there are more than just Fangs to worry about on the way to the Ice Prairies. Like the Stranders who dislike the Fangs of Dang but they are pickpockets and thieves. but once they get to the Ice Prairies they will be safe from the Fangs because the fangs hate the cold and don't work very well in the cold so they will be safe.