Here, you will learn from one of the world's leading polar bear experts, how the polar bear evolved and adapted to its world of snow and ice. You will follow the life of the polar bear from its birth in a snowy den in the middle of winter through its fascinating methods of hunting seals on the sea ice, its seasonal migrations, and its passage into old age. And you will learn about the impact of man on the survival of this magnificent animal. '99' Reprint: