Black Star, Bright Dawn (ES Kindles)
From Goodreads: Bright Dawn was a teenaged Eskimo girl. Black Star was her part-husky, mostly wolf, pet. Together they were about to begin the famous Iditarod dogsled race through the bitter cold of Alaska. Bright Dawn knew they would win, but she didn’t count on the cold, blinding whiteout, the belligerent bull moose, or ice that could crack and splinter at any time. And she soon realized that she was not only depending on Black Star for the race, but for her life….