This enduring survival story set at the end of the last Ice Age has been in print for over 20 years. When Maroo and her family become trapped on the Great Plain in blizzard conditions and with little food, they have only one chance of survival: for Maroo and her younger brother, Otak, to reach the winter camp and get help. The fastest trail to the camp is over the White Mountain, where there are treacherous glaciers, steep climbs, and mountain...