Discusses the formation, characteristics, and movements of icebergs, their danger to ships, and the work of the ice patrol who cover "Iceberg Alley" in the North Atlantic, searching for the huge blocks of ice and warning ocean traffic.
Describes the development of freer, more natural zoo environments for animals and discusses the changing role of zoos as educational institutionals, wildlife protectors, and museums.
Describes the Nez Perce, how they lived, and how they related to other native American peoples, French Canadian explorers, missionaries and the U.S. government.