After The Snow - S.D. Crockett - Paperback

The oceans stopped working before Willo was born, so the world of ice and snow is all he's ever known. He lives with his family deep in the wilderness, far from the government's controlling grasp. 

Willo's survival skills are put to the test when he arrives alone, he is immediately flung into an icy journal of survival, adventure, friendship and self-discovery, with only the dog spirit inside his head to guid him.