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Gives readers a close-up look at the history and importance of Hoover Dam. With colorful spreads featuring fun facts, sidebars, a labeled map, and ...

Gives readers a close-up look at the history and importance of Hoover Dam. With colorful spreads featuring fun facts, sidebars, a labeled map, and ...

Sugar makes foods sweet. It is found naturally in many foods and is added to others. Too much sugar can cause health problems. Your Body on Sugar u...

The West, the largest region in the United States, encompasses varied landscapes. It stretches across arid deserts, the Alaskan tundra, and the tro...