Blast from the North

After saving his clan from saber-toothed tigers, Lug the caveboy has become a hero. The only problem: between the nightmares and his sudden skittishness around animals, he doesn''t feel like much of a hero. But now he and his friends, Stony and Echo, have even bigger problems. A giant glacier is rolling toward their village—faster than any ordinary mass of ice should move—and it''s on course to cr...