| Above and Beyond with Collaboration |
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| Above and Beyond with Communication |
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| Above and Beyond with Creativity and Innovation |
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| Above and Beyond with Critical Thinking and Problem Solving |
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| Abraham Lincoln: The Gettysburg Address |
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| Abraham Lincoln: The Great Emancipator |
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8.9 |
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| Activism and Volunteering |
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| Agricultural Inventions: At the Top of the Field |
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5.9 |
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| Air Force Careers |
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| Air War |
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4.5 |
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| Albert Einstein |
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| Albert Einstein: Forging the Path of Modern Physics |
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| Alcatraz |
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5.1 |
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| Al Gore: A Wake-Up Call to Global Warming |
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8.0 |
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| Amelia Earhart: Pioneering Aviator and Force for Women's Rights |
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| A Nation Divided: Causes of the Civil War |
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6.8 |
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| Archaea: Salt-lovers, Methane-makers, Thermophiles, and Other Archaeans |
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8.1 |
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| Archaeologists in Action |
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| Army Careers |
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| Astronomers in Action |
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| Attention Deficit Hyperactivity Disorder |
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6.4 |
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| Audio Engineering and the Science of Sound Waves |
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6.8 |
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| Bacteria: Staph, Strep, Clostridium, and Other Bacteria |
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7.6 |
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| Beat Stress! The Exam Handbook |
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