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Some are bigger than a school bus. Others are as small as a candy sprinkle. Some make people itch. What are they? Plant leaves! Find out why leaves...
What do astronauts eat? How do they sleep? Young readers learn about common problems in space and the ways that humans have solved them in the...
Soil hides most of the time, but it's important. Dig into the layers of soil and learn how it is made. Find out how soil helps plants and other...
Millions of years ago, the skies teemed with life. Some of them grew to be MEGA-sized. The Spanish edition of Creatures of Ancient Skies nonfiction...
Go beyond the traditional battlefield to uncover the amazing tales told from the lens or perspective of war journalists, reporters, and...
What does it take to turn a creative idea into a new and successful business? Learn about different business fields and the process of starting a...
Have you ever heard of the pharaoh's curse? What about the fabled city of El Dorado? Places all over the world inspire incredible legends. Let's...
Ever wonder how plants reach toward the sun? Or how water gets from the roots to the leaves? A plant's stem is like a highway, transporting water...