None of humanityâs great achievements in space exploration would be possible without the work of the scientists who built those amazing rockets that blasted us into the heavens. This captivating…
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In 1961, Russian cosmout Yury Gagarin became the first person to orbit Earth. Now, more than a half-century later, huge advances have been achieved in spaceflight. Humans have walked on the moon,…
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In this illumiting text, the origins of the slave trade in Africa and the effects of the practice of slavery on the political and economic history of the United States are explored. King Cotton, the…
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Scientists believe that all forms of life developed from earlier types of living things through a process called evolution. In this intriguing and engaging rrative, readers learn that living organisms…
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For millennia, humanity has looked to the stars with wonder and longing. The dream of taking flight and exploring the solar system was realized in the 1950s, when the first satellites and manned…
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This fasciting rrative introduces young readers to the ancient civilizations of Mesoamerica. Evolving from their primitive ways to complex societies, these ancient peoples left records for…
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This comprehensive volume covers more than 2,500 years of world history, from when wars were fought with spears and axes to beyond the point in which nuclear weapons first threatened humankind with…
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George W. Bush emerged from his fatherâs shadow and in 2000 was elected US president, the first since 1888 to be elected despite losing the popular vote. Readers will examine his two terms and…
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Looking at a work of art, like listening to music, becomes a rewarding experience only if the senses are alert to the qualities of the work and to the artistâs purpose that brought them into…
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When he was sworn in as US president in 1901 after the assassition of William McKinley, Theodore Roosevelt was the youngest man ever to hold the office. He was a statesman, cowboy, soldier, hunter,…
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This enthralling look at the workings of the cardiovascular system introduces young readers to the human heart and its function. Along with the heart's atria and ventricles, the book explains the…
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After Franklin D. Rooseveltâs sudden death in April 1945, Harry S. Truman took the oath of office as the thirty-third US president. While perhaps best known for his controversial decision to drop…
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The president who led the United States through World War I, Woodrow Wilson was a brilliant student, teacher, and statesman. He had been a college professor, president of Princeton University, author…
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