This book tells the incredible true story of Balto, a sled dog who led his team through a dangerous blizzard to deliver life-saving medicine. In 1925, a deadly disease threatened the children of Nome, Alaska, and the only serum was far away. Balto and his musher, Gunnar Kaasen, faced freezing temperatures and whiteout conditions on a desperate race against time. Their bravery and determination saved countless lives and made Balto a hero remembered to this day.