McKenna, fourteen, is losing her vision to Stargardt's disease, but that will not stop her from competing in a rigorous new sled dog race through the Canadian wilderness.

As Irish teenager Grainne anxiously prepares for a reunion with her mother, who abandoned the family years before, Grainne's half brothers and their mother take a dogsleddingvacation in Finland.

Something is bothering Russel Susskit. He hates waking up to the sound of his father's coughing, the smell of diesel oil, the noise of snow machines starting up. Only Oogruk, the shaman who owns the last team of dogs in the village, understands Russel's longing for the old ways and the songs that celebrated them. But Oogruk cannot give Russel the answers he seeks; the old man can only prepare him for what he must do alone. Driven by a strange, powerful...