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Grasslands (English)

Grasses are the most common plants in grasslands, but there are many types, and grasslands are not...Added June 22, 2010
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The Sahara Desert (English)

Our world abounds with the wonders of natural beauty. Readers of the books in this series will...Added June 22, 2010
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A Long Way Gone: Memoirs of a Boy Soldier (English)

My new friends have begun to suspect I haven't told them the full story of my life. "Why did...Added June 22, 2010
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Caves (English)

Here is a captivating new introduction to the world's most fascinating caves. ""Caves"" explores...Added June 22, 2010
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Tropical Forests (English)

Tropical forests are the most diverse and complex of the world's ecosystems. They are also among...Added June 22, 2010
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Atmosphere: Air Pollution and Its Effects (English)

Earth's atmosphere supports and protects all of its life, giving the planet its blue skies, mild...Added June 22, 2010
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Polar Regions: Human Impacts (English)

There is no place more remote than the Arctic and Antarctic, but their remoteness has not kept...Added June 22, 2010
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Water and Atmosphere: The Lifeblood of Natural Systems (English)

Without the crucial resources of water and atmosphere, life would not be possible on Earth....Added June 22, 2010
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Canyons (English)

Canyons chronicles the origins, history, and structure of the world's most breathtaking gorges,...Added June 22, 2010
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Floods: Hazards of Surface and Groundwater Systems (English)

There are many different types of floods, ranging from slowly rising regional floods to dramatic...Added June 22, 2010