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Maps: What You Need to Know
Maps bring the real world into miniature and help us understand the cities, roads, and landforms around us. Learn everything you'll need to know to unlock the information in a map.
Climate Change and Air Quality
Exhaust from cars and factories pollutes Earth's air more each day. But does our air quality contribute to Earth's changing climate? And can climate change affect the air we …
Understanding Taxes
Have you ever wondered why you pay taxes on some things but not others? This book introduces readers to tax-paying. Real world examples help readers learn the importance of math …
U.S. Landforms: What You Need to Know
The United States has some of the most unique, amazing landforms in the world. Learn about some of its most notable landforms from sea to shining sea.