Jon Van Zyle

"A glacier may look forbidding and empty, but it provides a rich habitat for animals from the mountains to the sea. As the world's glaciers melt, their disappearance impacts not only the wildlife that calls them home, but also all life on earth. Back matter includes a glossary and an author's note about climate change"--

A playful, young otter learns how to paddle with his hind feet, use his powerful tail as a rudder, and root in the river bottom mud for crayfish.

Learn about this spectacular state and its animals. Come soar across Alaska's extraordinary landscape and see its wonders through the eyes of our national emblem, the bald eagle. Alaska is our biggest state, but it is also one of the least populated, making it an enormous span of natural wonders and astonishing wilderness. This unique place is home to the tallest mountain, the most active volcanoes, and the largest land mammals in North America. See...

Off the Pacific coast of Mexico, a baby sperm whale is born, feeds, speaks to her mother in clicks, and spends her days diving, spy-hopping, lob-tailing, and rolling as she grows and learns the ways of the sea.

The story of the heroic role played by sled dogs, including the Siberian husky Togo, in the delivery of antitoxin serum to those stricken with diphtheria in 1925 Nome. Includes historical notes about the event as well as about the Iditarod Sled Dog Race which commemorates it.