Books in Protect Our Planet series

Describes the characteristics and formation of the world's mountains and the plant, animal, and human communities that live there

Study the interplay of Earth's atmosphere, geology, resources, and life forms that inhabit it.__This title is available only in the U.S. and Canada.

Examines the formation, ecology, and folklore of caves.

Captures twelve diverse biomes, such as the home of the polar bear in a world of ice and the various insects that live in the rain forest, through clear, informative text and richly detailed illustrations.

Describes the characteristics of the world's rivers, the changes that rivers make on the land, and the course of the river to the sea

Defines the Earth's land ecosystems through the characteristic plants and animals found in each

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Describes the climate, land formations, plant life, animals, and people of the frozen arctic land called tundra.

Examines the formation, ecology, and folklore of caves

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None

Describes the characteristics and formation of the world's mountains and the plant, animal, and human communities that live there