Examines what glaciers are, how they are formed, how they move and life on and near them.

Describes the formation and movement of different types of glaciers, their effects on the land, and how scientists study glaciers.

Text and photographs introduce the composition, the history, and the beauty of glaciers.

Describes the formation, structure, and movement of glaciers, ice caps, and ice sheets and their effects on the earth's surface.

Ice once covered most of North America. Today, Alaska, with its approximately 100,000 glaciers, is a living example of its profound influence. The state's rugged landscape is a textbook of glacial activity, and geologist and photographer Michael Collier guides you through its pages. In the company of scientists studying this ancient ice, he approaches the great sleeping beasts on foot, crampons snugly strapped on; from a kayak, rocking gently in an...